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  Fosi Audio Fosi Audio DS2

  Fosi Audio DS2 (2024) is a portable USB DAC and headphone amplifier for mobile devices and computers.Dual CS43131 DACs, independent volume control and 3.5mm plus 4.4mm outputs deliver clean, powerful wired headphone playback in a compact dongle.Why it stands outDual CS43131 DAC architectureThe current 2024 version uses two Cirrus Logic DAC chips for low-noise conversion.Strong balanced outputThe 4.4mm output provides substantially more power than the single-ended connection.Independent hardware volumeDedicated buttons allow finer adjustment without relying only on the source device.High-resolution playbackSupports PCM up to 32-bit/384kHz and DSD256.Best for USB-C phone and tablet listening Windows and Mac headphone systems Sensitive IEMs and full-size wired headphones Users needing 3.5mm and 4.4mm outputs Not ideal for Bluetooth or wireless headphones Headsets requiring microphone support Users expecting an internal battery EMiUZEK Buying Notes This listing is for the DS2 2024 version with dual CS43131 DACs; older DS2 specifications do not apply. DS2 draws power from the connected source and can feel warm during normal operation. Lightning devices require a compatible Lightning-to-USB-C OTG cable that may be sold separately. Frequently asked questionsWhich DAC chips are used?The current DS2 2024 uses dual CS43131 DACs.What is the maximum resolution?PCM up to 32-bit/384kHz and DSD256.Does it have a battery?No. It is powered by the connected USB device.Can it drive 4.4mm balanced headphones?Yes, with compatible balanced-wired headphones.Can I use a 3.5mm-to-4.4mm adapter?No. Use headphones terminated correctly for the selected output.Why does it feel warm?A moderate temperature rise is normal during high-resolution or higher-output operation.HOW TO CONNECTUSB-C phone listeningSource icon: phoneSource: USB-C phone / tabletConnection: USB-C audioOutput connection: 3.5mm outputTarget icon: headphonesOutput: Wired headphones or IEMsBalanced portable listeningSource icon: phoneSource: USB-C phone / playerConnection: USB-C audioOutput connection: 4.4mm balanced outputTarget icon: headphonesOutput: Balanced headphonesComputer headphone systemSource icon: computerSource: Windows PC / MacConnection: USB audioOutput connection: 3.5mm or 4.4mm outputTarget icon: headphonesOutput: Wired headphonesTechnical SpecificationsAudio architecture Feature Specification Product type Portable USB DAC and headphone amplifier DAC chipset Dual CS43131 Maximum PCM 32-bit / 384kHz DSD DSD64 / 128 / 256 Outputs and performance Feature Specification Headphone outputs 3.5mm single-ended; 4.4mm balanced Output power 128mW @ 32Ω single-ended; 170mW @ 32Ω balanced Recommended impedance 16–300Ω SNR ≥130dB THD+N <0.0002% Additional Product ContentComparison: Which Fosi Audio model is right for you? Model DS1 DS2 2024 DS3 Primary use Portable Hi-Res music Portable Hi-Res music Music and gaming spatial audio DAC / processing ESS ES9038Q2M Dual CS43131 Hardware 7.1 processing Maximum PCM 32-bit / 768kHz 32-bit / 384kHz 32-bit / 768kHz Maximum DSD DSD512 DSD256 DSD512 Maximum stated output 220mW @ 32Ω balanced 510mW @ 32Ω balanced (manual) 220mW @ 32Ω Best use Compact ESS dongle Higher-power balanced portable setup Gaming effects and spatial audio

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  $50.29

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  Fosi Audio Fosi Audio ZH3

  Fosi Audio ZH3 is an all-in-one desktop DAC, balanced headphone amplifier and preamplifier for headphones, active speakers and external amplifiers.Its AK4493SEQ DAC, powerful 4.4mm balanced output, multiple digital/analog inputs and XLR/RCA pre-outs create a complete desktop HiFi control center.Why it stands outFour reasons this product deserves a place in a well-planned audio system.All-in-One Desktop HubDAC, headphone amplification and preamp functions reduce the need for several separate components.2570mW Balanced Headphone OutputThe 4.4mm output provides substantial power at 32Ω, while three gain levels support a broad range of headphones.High-Resolution AKM PlatformXMOS XU316 and AK4493SEQ support PCM 32-bit/768kHz and DSD512 playback.Flexible System ControlRCA/XLR line outputs, remote control, tone adjustment, six filters and swappable op-amps support system customization.Best for Desktop headphone systems Balanced 4.4mm headphone listening Active studio monitors and powered speakers External power amplifiers requiring preamp control Computer and game-console USB audio Not ideal for Users needing built-in passive-speaker amplification Wireless Bluetooth-only systems TV systems requiring HDMI ARC Portable or battery-powered listening EMiUZEK Buying Notes ZH3 can drive headphones and control active speakers or a power amplifier, but it cannot directly drive passive speakers. Its USB input supports UAC 1.0 and 2.0 modes; choose the compatible mode for computers or game consoles. RCA is an analog input, while RCA and XLR line outputs are intended for downstream active speakers or amplifiers. Frequently Asked QuestionsCan the ZH3 drive passive speakers?No. Use its line outputs with a separate power amplifier, or connect active speakers.Which headphone outputs are included?It provides 4.4mm balanced and 6.35mm single-ended headphone outputs.Does it support Bluetooth?No Bluetooth input is specified. Use USB, optical, coaxial or analog RCA input.Can I connect a game console?Yes. UAC 1.0/2.0 switching supports compatible game-console USB audio configurations.Can it connect to active speakers?Yes. Use RCA or balanced XLR line output and control volume through the ZH3 preamp.Can it accept an analog source?Yes, through RCA analog input.What headphones can it support?The three-level gain system is specified for approximately 16–300Ω headphones; start with low gain and low volume.HOW TO CONNECTComputer headphone systemSource: PC / MacConnection: USBOutput: 4.4mm or 6.35mmTarget: Wired headphonesNote: Choose UAC mode and gain appropriate for the source and headphones.Active speaker systemSource: Computer / digital transport / analog sourceConnection: USB, optical, coaxial or RCAOutput: XLR or RCA line outputTarget: Active speakersNote: Use preamp volume control and begin at a low level.External amplifier systemSource: Digital or analog sourceConnection: USB, optical, coaxial or RCAOutput: XLR or RCA line outputTarget: Power amplifier → passive speakersNote: ZH3 supplies the DAC and preamp stages only.Technical SpecificationsCore Architecture Feature Specification Product Type DAC / balanced headphone amplifier / preamplifier DAC AKM AK4493SEQ USB Interface XMOS XU316 Headphone Amplifiers OPA1612 x4 Maximum Resolution PCM 32-bit/768kHz; DSD512 Inputs and Outputs Feature Specification Inputs USB, optical, coaxial, RCA analog Headphone Outputs 4.4mm balanced; 6.35mm single-ended Line Outputs Balanced XLR; RCA USB Modes UAC 1.0 / UAC 2.0 Trigger 12V trigger connection Headphone Performance Feature Specification 4.4mm Output at 32Ω 2570mW x2 6.35mm Output at 32Ω 640mW x2 Gain Three levels Headphone Impedance Range 16–300Ω Audio Performance Feature Specification SINAD ≥115dB SNR ≥121dB THD+N ≤0.00018% Noise Floor ≤1.9μV Sound Adjustment Bass/treble EQ; six filters; bypass Power Supply DC 12V Recommended System Setup Setup Connection Headphones Computer → USB → ZH3 → 4.4mm/6.35mm headphones Active speakers Source → ZH3 → XLR/RCA active speakers Passive speakers Source → ZH3 → power amplifier → passive speakers Additional Product Content Feature ZH3 ZD3 GR40 Product Position DAC / headphone amp / preamp Balanced DAC / preamp Tube DAC / headphone amp DAC Chip AK4493SEQ ES9039Q2M Not specified USB Maximum PCM 768kHz / DSD512 PCM 768kHz / DSD512 Lower-tier desktop decoding HDMI ARC No Yes No Bluetooth No Yes Yes Analog RCA Input Yes No No Headphone Outputs 4.4mm, 6.35mm None 3.5mm Balanced XLR Output Yes Yes No Headphone Power at 32Ω 2570mW x2 balanced Not applicable 250mW Best Use Complete headphone/desktop hub TV and amplifier DAC hub Compact tube headphone system

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  $233.99

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  Fosi Audio Fosi Audio DS3

  Fosi Audio DS3 is a portable USB DAC and headphone amplifier designed for music, gaming and multichannel spatial-audio playback.Hardware 7.1 processing, PCM 768kHz/DSD512 decoding and a 220mW output combine immersive gaming modes with high-resolution wired headphone listening.Why it stands outHardware-level 7.1 spatial audioProcesses compatible multichannel game audio into an expansive headphone presentation without PC software.Dedicated gaming sound modesSwitch between standard, FPS and 7.1 spatial effects in UAC 1.0 mode.High-resolution music playbackSupports PCM up to 32-bit/768kHz and native DSD512.Compact high-output designProvides up to 220mW at 32Ω while weighing only 16g.Best for PC and console gaming with wired headphones Portable high-resolution music playback Users wanting selectable spatial-audio effects 16–300Ω wired headphones Not ideal for Bluetooth or wireless playback Headsets requiring microphone passthrough Users wanting speaker amplification EMiUZEK Buying Notes 7.1 spatial processing depends on the source game or device providing compatible multichannel audio. Gaming effects are selected in UAC 1.0 mode; music filters are handled in UAC 2.0 mode. DS3 has no built-in battery and draws power from the connected source. Frequently asked questionsDoes DS3 require a driver?No PC software or driver is required for its core operation.How is 7.1 mode selected?In UAC 1.0 mode, hold both volume buttons to cycle through the available sound effects.Can it play ordinary stereo music?Yes. Spatial effects are optional and standard stereo playback is supported.What is the maximum output power?The official specification lists 220mW at 32Ω.Does it support DSD?Yes, up to native DSD512.Can gain be changed?Yes. Press both volume buttons together to switch between low and high gain.HOW TO CONNECTPC gamingSource icon: computerSource: Gaming PCConnection: USB audio / compatible multichannel outputOutput connection: Headphone outputTarget icon: headphonesOutput: Wired gaming headphonesConsole gamingSource icon: deviceSource: Compatible consoleConnection: USB audio in UAC 1.0 modeOutput connection: Headphone outputTarget icon: headphonesOutput: Wired headphonesPortable musicSource icon: phoneSource: USB-C phone / tabletConnection: USB-C audioOutput connection: Headphone outputTarget icon: headphonesOutput: Wired headphones or IEMsTechnical SpecificationsAudio and processing Feature Specification Product type Portable USB DAC and headphone amplifier Maximum PCM 32-bit / 768kHz DSD Native DSD512 Spatial processing Hardware 7.1; FPS effect; standard mode Output and physical Feature Specification Maximum output 220mW @ 32Ω Recommended impedance 16–300Ω Dimensions 55 × 20 × 11mm Weight 16g Additional Product ContentComparison: Which Fosi Audio model is right for you? Model DS1 DS2 2024 DS3 Primary use Portable Hi-Res music Portable Hi-Res music Music and gaming spatial audio DAC / processing ESS ES9038Q2M Dual CS43131 Hardware 7.1 processing Maximum PCM 32-bit / 768kHz 32-bit / 384kHz 32-bit / 768kHz Maximum DSD DSD512 DSD256 DSD512 Maximum stated output 220mW @ 32Ω balanced 510mW @ 32Ω balanced (manual) 220mW @ 32Ω Best use Compact ESS dongle Higher-power balanced portable setup Gaming effects and spatial audio

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  $80.69 - $239.00

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  Fiio FiiO M15S

  The FiiO M15S is a high-end Android digital audio player designed to work both as a powerful portable source and as the centre of a desktop headphone system. Its ES9038PRO DAC, five gain levels and three wired headphone outputs make it suitable for everything from sensitive IEMs to demanding full-size headphones. When connected to compatible QC/PD power, Desktop Mode bypasses the internal battery and unlocks Ultra High Gain. The included DK3S cooling dock supports longer desktop sessions, while Wi-Fi, two-way Bluetooth, AirPlay and Roon Ready provide flexible wireless playback. Why it stands out ES9038PRO desktop-class DAC architecture The eight-channel ESS DAC is configured in a fully differential design, supported by dual OPA926 amplifiers and precision NDK oscillators for strong resolution, separation and dynamic range. True battery-bypass Desktop Mode With compatible external QC/PD power, the M15S can run without charging or discharging the battery and unlock Ultra High Gain for up to 1200mW + 1200mW at 32Ω from the balanced outputs. Three headphone outputs and five gain levels Use 3.5mm single-ended, 2.5mm balanced or 4.4mm balanced headphones, then select an appropriate gain level for sensitive earphones or harder-to-drive full-size models. Six playback modes in one player Switch between Android, Pure Music, USB DAC, Bluetooth Receive, AirPlay and Roon Ready modes for local files, streaming services, computer audio and wireless playback. Best for Listeners who want one source for portable and desktop headphone listening Owners of both sensitive IEMs and demanding full-size headphones Users who still need a 2.5mm balanced output alongside 3.5mm and 4.4mm Roon, AirPlay and Android streaming users who also keep a large local music library Not ideal for Buyers who want a small, lightweight pocket player Users who need cellular data, GPS or phone functions Anyone who requires the newest Android version for long-term app compatibility Extremely difficult headphones that require a dedicated high-power desktop amplifier EMiUZEK Buying Notes The M15S runs Android 10. Check that any essential streaming app still supports this Android version before ordering. At approximately 345g, it is better treated as a transportable player than a lightweight pocket DAP. It can become warm during charging, high-gain playback or extended desktop use. Ultra High Gain and the maximum balanced output require compatible external QC/PD power. The included DK3S is a cooling stand; it does not replace the USB audio or power connection. The 3.5mm, 2.5mm and 4.4mm sockets share headphone/line-output functions, and 3.5mm also supports coaxial output. Confirm the selected output mode and lower the volume before connecting equipment. Frequently asked questions How does the M15S compare with the FiiO M23? The M15S uses an ES9038PRO DAC, includes a 2.5mm balanced output and offers up to 1200mW + 1200mW at 32Ω in Ultra High Gain. The M23 uses an AK4191EQ plus AK4499EX architecture, is lighter in its aluminium version and has a separate USB-C power input for more convenient desktop use. How does the M15S compare with the FiiO M17? The M15S is smaller and easier to carry, while the M17 is the stronger choice for exceptionally demanding headphones and a more permanently desktop-focused setup. Does Desktop Mode really bypass the battery? Yes. With compatible external fast power, Desktop Mode supplies the audio circuitry directly so the battery is neither charged nor discharged during use. Do I need a fast charger to use Ultra High Gain? Yes. Ultra High Gain is available only when the M15S detects compatible external QC/PD power. On battery power, use one of the other four gain levels. Is the DK3S an active USB dock? No. The included DK3S is a heat-dissipation stand. Connect the M15S and external power or USB audio with the appropriate cables. Is the M15S suitable for pocket use? It is portable, but its 345g weight and 18.9mm thickness make it better suited to a bag, desk or careful handheld use than a light trouser-pocket setup. Can I install streaming apps? Yes. Compatible Android applications can be installed, but the player uses Android 10, so verify current support for any essential app. Does it support Roon and AirPlay? Yes. The M15S includes Roon Ready and AirPlay modes, in addition to Android streaming and Pure Music playback. Does the M15S have cellular connectivity? No. Online services require Wi-Fi or a suitable network connection; it has no SIM or mobile-data service. Which headphone output should I use? Use 3.5mm for single-ended cables, or 2.5mm/4.4mm for compatible balanced cables. Balanced output provides the highest available power, but cable termination and headphone requirements should determine the connection. Can it drive sensitive IEMs? Yes. Start with Low Gain and a low volume setting. The five-level gain system makes it easier to match both sensitive IEMs and full-size headphones. Can it power every planar-magnetic headphone? No portable player is ideal for every load. The M15S drives many demanding headphones well, but exceptionally inefficient models may perform better with a dedicated desktop amplifier. Can I connect it to an amplifier or active speakers? Yes. Set the selected 3.5mm, 2.5mm or 4.4mm socket to line-output mode and connect it to a compatible amplifier or active speaker input. Do not connect headphones while fixed line output is selected. Does the 3.5mm socket support coaxial output? Yes. The 3.5mm port can provide headphone, line or coaxial digital output depending on the selected setting and cable. What is the maximum USB decoding rate? As a USB DAC, the M15S supports up to PCM 384kHz/32-bit and DSD256. Its USB Audio digital output supports up to PCM 768kHz/32-bit and DSD512 with compatible downstream equipment. What battery life should I expect? FiiO rates playback at approximately 10.5 hours through the single-ended output and 9 hours through balanced output. Actual runtime varies with volume, gain, screen, wireless use and file format. Can the internal battery be replaced by the user? No. The 6200mAh battery is internal and is not designed for user replacement. Desktop battery-bypass mode can help reduce unnecessary battery cycling. Can it transmit and receive Bluetooth audio? Yes. It supports two-way Bluetooth 5.0. Available codecs depend on whether the M15S is transmitting or receiving and on the connected device. How much storage can I add? The player has 64GB internal storage, with about 46GB available to the user, and supports a microSD card up to 2TB. HOW TO CONNECT Local music or streaming to wired headphones Source icon: Music playerSource: microSD / internal storage / Android streaming appConnection: Local playback / Wi-FiOutput connection: 3.5mm / 2.5mm / 4.4mm headphone outputTarget icon: HeadphonesOutput: IEMs or full-size headphones Note: Confirm Headphone Output mode, begin at low volume and choose gain according to headphone sensitivity. Computer audio in USB DAC mode Source icon: ComputerSource: Windows PC / MacConnection: USB-C data cableOutput connection: 3.5mm / 2.5mm / 4.4mm headphone outputTarget icon: HeadphonesOutput: Desktop headphone system Note: Windows may require the FiiO USB driver for full format support; select M15S as the computer's audio output. Desktop listening with battery bypass Source icon: Music playerSource: M15S local files / streaming / USB DACConnection: Compatible QC/PD external powerOutput connection: 3.5mm / 2.5mm / 4.4mm headphone outputTarget icon: HeadphonesOutput: High-power desktop headphone setup Note: Place the player on the included DK3S, enable Desktop Mode and verify that external fast power has been detected before selecting Ultra High Gain. Technical Specifications Feature Specification Product type High-resolution Android digital audio player Operating system Android 10 Processor Qualcomm Snapdragon 660 DAC / amplifier ES9038PRO / 2 × OPA926 Playback modes Android, Pure Music, USB DAC, Bluetooth Receive, AirPlay, Roon Ready Local and USB DAC decoding Up to PCM 384kHz/32-bit; DSD256 USB Audio digital output Up to PCM 768kHz/32-bit; DSD512 Headphone / line outputs 3.5mm single-ended; 2.5mm balanced; 4.4mm balanced Digital output 3.5mm shared coaxial output Maximum balanced power 1200mW + 1200mW at 32Ω; 368mW + 368mW at 300Ω in Ultra High Gain Maximum 3.5mm power 580mW + 580mW at 32Ω in Ultra High Gain Line-output level 2Vrms single-ended; 4Vrms balanced Gain Five levels; Ultra High Gain requires compatible external power Display 5.5-inch, 1440 × 720 Memory and storage 4GB RAM; 64GB internal storage; microSD up to 2TB Wireless 2.4/5GHz Wi-Fi; two-way Bluetooth 5.0 Bluetooth transmit codecs SBC, AAC, aptX, aptX HD, LDAC, LHDC Bluetooth receive codecs SBC, AAC, aptX, aptX HD, aptX LL, LDAC, aptX Adaptive Battery 6200mAh Rated battery life Approx. 10.5h single-ended / 9h balanced Charging time Approx. 3.5h Dimensions Approx. 140 × 80 × 18.9mm Weight Approx. 345g What's in the box, manuals and downloads FiiO M15S ×1 Leather Case ×1 DK3S Heat Dissipation Dock ×1 PD Charging/Data Cable ×1 USB Power Cable for DK3S ×1 USB Adapter ×1 Quick Start Guide ×1 Warranty Card ×1 Tip Card ×1 microSD Card Removal Pin ×1 GPL Manual ×1 Visit the EMiUZEK download center. Additional Product Content FiiO M15S vs M23: which should you choose? Feature FiiO M15S FiiO M23 DAC architecture ES9038PRO AK4191EQ + AK4499EX Desktop power connection Shared USB-C connection Separate USB-C POWER IN Maximum balanced power at 32Ω 1200mW + 1200mW 1000mW + 1000mW Wired headphone outputs 3.5mm, 2.5mm and 4.4mm 3.5mm and 4.4mm Weight Approx. 345g Approx. 299g for the aluminium version Best reason to choose 2.5mm support, higher maximum 32Ω balanced power and ES9038PRO design Lighter aluminium body, separate power input and AKM-based architecture

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  $919.35

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  Fiio FiiO BTR13

  FiiO BTR13 is a compact rechargeable Bluetooth receiver, USB DAC and headphone amplifier designed to add wireless playback and digital audio to wired earphones and headphones. Its physical BT/PC/PHONE switch changes both the connection method and power behaviour without requiring menu navigation. Dual CS43131 DACs, 3.5mm single-ended and 4.4mm balanced outputs, global PEQ and a colour display make it the entry-level all-rounder in FIIO’s BTR range. It is best matched with IEMs and portable headphones rather than very demanding full-size models. Why it stands out Bluetooth receiver and USB DAC in one pocket device Receive SBC, AAC, aptX, aptX Low Latency, aptX HD, aptX Adaptive or LDAC from compatible Bluetooth sources, or connect by USB-C for driver-free PCM playback up to 96kHz/24-bit. Physical BT, PC and PHONE mode switch BT mode receives wireless audio, PC mode uses USB audio and USB power, and PHONE mode uses USB audio while normally preventing the BTR13 from drawing charging power from the phone. Dual outputs with useful portable power The 3.5mm output provides up to 100mW + 100mW at 32Ω, while the 4.4mm balanced output reaches up to 220mW + 220mW for compatible earphones and headphones. Global PEQ, colour display and CTIA controls The 0.96-inch colour screen shows operating information, while FIIO Control and compatible web control provide PEQ adjustment. The 3.5mm socket also supports compatible CTIA in-line controls and microphones. Best for Using wired IEMs or portable headphones wirelessly with a phone Switching between Bluetooth, phone USB audio and computer USB audio Listeners who want 3.5mm and 4.4mm outputs in a lightweight clip-on device Users who want PEQ without buying a higher-priced BTR model Not ideal for Very demanding full-size headphones that need higher sustained power Users requiring high-resolution USB decoding above 96kHz/24-bit or native DSD Systems requiring dedicated RCA, XLR or fixed-level line outputs Sending Bluetooth audio to wireless headphones or speakers EMiUZEK Buying Notes BTR13 is a Bluetooth receiver, not a Bluetooth transmitter. It makes wired headphones wireless from the source side but cannot send audio to Bluetooth headphones. The included cable is USB-C to USB-C. Lightning iPhones require a separately purchased compatible USB-C-to-Lightning data cable for wired USB audio. The highest quoted power is available from the 4.4mm balanced output at 32Ω. Choose BTR15 or BTR17 when more power or higher USB decoding capability is required. The back clip is built into the body and is not a removable protective case. A lanyard is included, but a protective case is not listed in the standard package. FAQ Should I buy BTR13 or BTR15? Choose BTR13 when low weight, lower cost, Bluetooth, PEQ and enough power for most IEMs or portable headphones are the priorities. BTR15 adds a dedicated XMOS USB controller, supports up to PCM 384kHz/32-bit and DSD256, and provides more balanced power at 32Ω. Both support 3.5mm and 4.4mm headphones, so BTR15 is mainly the better choice for higher USB capability and additional power—not simply because it is newer. Can BTR13 transmit Bluetooth audio to wireless headphones? No. It receives Bluetooth audio from a phone, tablet or computer and plays it through wired headphones connected to the 3.5mm or 4.4mm output. It cannot act as a Bluetooth transmitter. What is the difference between BT, PC and PHONE modes? BT mode is for wireless reception. PC mode receives USB audio and takes power from the USB connection. PHONE mode receives USB audio but normally disables USB charging so the BTR13 uses its own battery and reduces the drain on the phone. If the battery becomes critically low while powered off, forced charging can still occur. Does wired USB provide higher resolution than Bluetooth? USB supports driver-free PCM playback up to 96kHz/24-bit. It can avoid Bluetooth codec compression, but BTR13 does not support the 384kHz/32-bit and DSD256 USB capability of BTR15. The audible result still depends on the source file, playback software and headphones. Can I use BTR13 with an iPhone? Bluetooth works with iPhone through AAC. For wired USB audio, USB-C iPhones can use a compatible USB-C data cable; Lightning iPhones require a separately purchased compatible USB-C-to-Lightning data cable. The included cable is USB-C to USB-C. Will the microphone and buttons on my headphone cable work? The 3.5mm output supports compatible CTIA in-line controls and microphones. This does not apply to ordinary 4.4mm balanced headphone cables, which normally carry audio only. Compatibility can vary with the cable wiring and connected phone or application. Can BTR13 connect to two phones at the same time? Yes, it supports Bluetooth multipoint pairing with two devices. Only one device supplies audio at a time; pause the first source before starting playback on the second if switching does not occur automatically. Should I use the 3.5mm or 4.4mm output? Use 3.5mm for standard headphone cables, CTIA headsets and lower power needs. Use 4.4mm only with a headphone cable wired for balanced operation when more output power is useful. Do not convert a 4.4mm balanced output to a single-ended headphone with an unsafe adapter. Can it drive full-size planar or high-impedance headphones? It can drive some efficient full-size models, but its 220mW + 220mW balanced rating at 32Ω is intended for portable use. Very insensitive planar headphones, high-impedance models requiring substantial voltage or listeners needing large volume headroom should consider BTR15, BTR17 or a desktop amplifier. Does PEQ work with Bluetooth and USB? FIIO lists 10-band PEQ and GEQ support across Bluetooth codecs and USB Audio. Settings can be managed through supported FIIO Control functions or compatible desktop web control. The web controller requires a supported browser and desktop operating system. How long does the battery last? FIIO rates battery life at about eight hours, with charging taking up to approximately two hours. Actual runtime changes with codec, output connection, volume, headphone load, screen use and PEQ settings. Can I connect BTR13 to active speakers or a car AUX input? A 3.5mm connection can feed a compatible AUX input, but BTR13 does not have a dedicated fixed-level RCA or XLR line output. Begin with low volume and adjust carefully. Car mode can coordinate power behaviour with a compatible vehicle USB connection. HOW TO CONNECT Phone to wired headphones by Bluetooth Source icon: PhoneSource: Phone / tabletConnection: BluetoothOutput connection: 3.5mm / 4.4mm headphone outputTarget icon: HeadphonesOutput: Wired IEMs / headphones Note: Select BT mode, pair the source and choose a codec supported by both devices. Phone to wired headphones by USB Source icon: PhoneSource: USB-C phoneConnection: USB-C data cableOutput connection: 3.5mm / 4.4mm headphone outputTarget icon: HeadphonesOutput: Wired IEMs / headphones Note: Select PHONE mode to use the BTR13 battery instead of normally charging from the phone. Lightning iPhones require a compatible cable purchased separately. Computer USB audio Source icon: ComputerSource: PC / MacConnection: USB-COutput connection: 3.5mm / 4.4mm headphone outputTarget icon: HeadphonesOutput: Wired IEMs / headphones Note: Select PC mode. BTR13 is driver-free and supports PCM up to 96kHz/24-bit. Technical Specifications Feature Specification Product type Portable Bluetooth receiver, USB DAC and headphone amplifier Bluetooth controller Qualcomm QCC5125 DAC 2 × Cirrus Logic CS43131 Bluetooth version 5.1 Bluetooth codecs SBC, AAC, aptX, aptX Low Latency, aptX HD, aptX Adaptive and LDAC USB DAC Driver-free PCM up to 96kHz/24-bit Headphone outputs 3.5mm single-ended; 4.4mm balanced 3.5mm output power ≥100mW + 100mW at 32Ω; ≥10mW + 10mW at 300Ω 4.4mm balanced output power ≥220mW + 220mW at 32Ω; ≥55mW + 55mW at 300Ω Signal-to-noise ratio ≥128dB, A-weighted Equalizer 10-band PEQ and GEQ In-line control CTIA controls and microphone through compatible 3.5mm headset Display 0.96-inch 80 × 160 colour IPS Operating modes BT / PC / PHONE Battery capacity 460mAh Rated battery life Approx. 8 hours Charging time Up to approx. 2 hours Dimensions Approx. 63.2 × 30 × 18.8mm including clip Weight Approx. 28.6g What's in the box, manuals and downloads FiiO BTR13 ×1 Pre-Installed Screen Protector ×1 USB-C to USB-C Data Cable ×1 Lanyard ×1 Quick Start Guide ×1 Visit the EMiUZEK download center. Additional Product Content FiiO BTR13 or BTR15? Feature FiiO BTR13 FiiO BTR15 Position Lightweight entry model Higher-performance portable model DAC 2 × CS43131 2 × ES9219MQ Maximum USB decoding PCM 96kHz/24-bit PCM 384kHz/32-bit; DSD256 3.5mm power at 32Ω 100mW + 100mW 125mW + 125mW 4.4mm power at 32Ω 220mW + 220mW 340mW + 340mW PEQ 10-band PEQ and GEQ 10-band PEQ and GEQ Weight Approx. 28.6g Approx. 37.3g Choose it when Lower weight and value matter most You need more power and higher-resolution USB decoding

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  $65.55 - $99.00

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  Questyle Questyle M15i

  Questyle M15i is a compact USB DAC and headphone amplifier designed to upgrade wired listening from phones, tablets and computers.Questyle Current Mode amplification, high-resolution decoding and 3.5mm single-ended and 4.4mm balanced provide a focused portable HiFi solution without an internal battery.Why it stands outFour core reasons to choose this Questyle model.Current Mode AmplificationQuestyle's patented amplification architecture is designed for wide bandwidth, fast transient response and low distortion.High-Resolution USB DecodingESS ES9281AC supports high-resolution playback from compatible USB sources.Practical Headphone Connectivity3.5mm single-ended and 4.4mm balanced cover the intended wired headphone and IEM connections.Portable, Bus-Powered DesignThe compact unit draws power from the connected source and requires no separate charging routine.Best for Portable wired headphone listening USB-C phone and tablet audio Laptop and desktop headphone systems High-resolution local or streaming playback Not ideal for Wireless Bluetooth headphone users Users needing speaker power amplification Headsets requiring microphone pass-through Listeners needing an internal battery EMiUZEK Buying Notes Questyle M15i is a USB DAC/headphone amplifier, not a music player or speaker amplifier. USB cable compatibility depends on the source device; iPhone connection requirements vary by connector generation. Start with low gain and low volume when using sensitive IEMs. Frequently Asked QuestionsCan it drive passive speakers?No. It is designed for wired headphones and IEMs.Does it support Bluetooth?No. Audio input is through USB.Does it need charging?No internal battery is used; it is powered by the connected source.Can I use it with an iPhone?Yes with the appropriate compatible cable; MFi support applies where specified for the model.Does it support headset microphones?The headphone outputs are for audio playback and do not provide microphone pass-through.Can it work with a computer?Yes, through a compatible USB connection and operating-system audio output selection.HOW TO CONNECTUSB-C phoneSource: Phone / tabletConnection: USB-COutput: Headphone outputTarget: Wired IEMs or headphonesNote: Select the Questyle device as audio output if needed.Computer audioSource: PC / MacConnection: USBOutput: Headphone outputTarget: Wired headphonesNote: Use a compatible data cable, not a charge-only cable.Portable streamerSource: USB-capable digital playerConnection: USBOutput: Headphone outputTarget: Wired IEMsNote: Begin playback at low volume.Technical Specifications Feature Specification Product Type Portable USB DAC / headphone amplifier DAC ESS ES9281AC Amplification Questyle Current Mode USB Input USB Type-C Headphone Outputs 3.5mm single-ended and 4.4mm balanced Power USB bus powered Maximum PCM 32-bit/384kHz DSD DSD256 Gain High / low Apple Certification MFi Recommended System Setup Setup Connection Mobile Phone → USB → M15i → wired headphones Computer PC/Mac → USB → M15i → headphones Portable player USB digital player → M15i → IEMs Additional Product Content Feature M12i M15i M15C M18i Position Compact single-ended Premium dual-output USB-C dual-output Flagship mobile Headphone Outputs 3.5mm 3.5mm + 4.4mm 3.5mm + 4.4mm 3.5mm + 4.4mm Gain Control Automatic High / low High / low Model controls Best Use Simple portable setup Premium iOS/USB listening USB-C ecosystem Flagship portable system

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  $249.00  $198.55

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  Questyle Questyle M15C

  Questyle M15C is a compact USB DAC and headphone amplifier designed to upgrade wired listening from phones, tablets and computers.Questyle Current Mode amplification, high-resolution decoding and 3.5mm single-ended and 4.4mm balanced provide a focused portable HiFi solution without an internal battery.Why it stands outFour core reasons to choose this Questyle model.Current Mode AmplificationQuestyle's patented amplification architecture is designed for wide bandwidth, fast transient response and low distortion.High-Resolution USB DecodingESS ES9281AC supports high-resolution playback from compatible USB sources.Practical Headphone Connectivity3.5mm single-ended and 4.4mm balanced cover the intended wired headphone and IEM connections.Portable, Bus-Powered DesignThe compact unit draws power from the connected source and requires no separate charging routine.Best for Portable wired headphone listening USB-C phone and tablet audio Laptop and desktop headphone systems High-resolution local or streaming playback Not ideal for Wireless Bluetooth headphone users Users needing speaker power amplification Headsets requiring microphone pass-through Listeners needing an internal battery EMiUZEK Buying Notes Questyle M15C is a USB DAC/headphone amplifier, not a music player or speaker amplifier. USB cable compatibility depends on the source device; iPhone connection requirements vary by connector generation. Start with low gain and low volume when using sensitive IEMs. Frequently Asked QuestionsCan it drive passive speakers?No. It is designed for wired headphones and IEMs.Does it support Bluetooth?No. Audio input is through USB.Does it need charging?No internal battery is used; it is powered by the connected source.Can I use it with an iPhone?Yes with the appropriate compatible cable; MFi support applies where specified for the model.Does it support headset microphones?The headphone outputs are for audio playback and do not provide microphone pass-through.Can it work with a computer?Yes, through a compatible USB connection and operating-system audio output selection.HOW TO CONNECTUSB-C phoneSource: Phone / tabletConnection: USB-COutput: Headphone outputTarget: Wired IEMs or headphonesNote: Select the Questyle device as audio output if needed.Computer audioSource: PC / MacConnection: USBOutput: Headphone outputTarget: Wired headphonesNote: Use a compatible data cable, not a charge-only cable.Portable streamerSource: USB-capable digital playerConnection: USBOutput: Headphone outputTarget: Wired IEMsNote: Begin playback at low volume.Technical Specifications Feature Specification Product Type Portable USB DAC / headphone amplifier DAC ESS ES9281AC Amplification Questyle Current Mode USB Input USB Type-C Headphone Outputs 3.5mm single-ended and 4.4mm balanced Power USB bus powered Maximum PCM 32-bit/384kHz DSD DSD256 Gain High / low Recommended System Setup Setup Connection Mobile Phone → USB → M15C → wired headphones Computer PC/Mac → USB → M15C → headphones Portable player USB digital player → M15C → IEMs Additional Product Content Feature M12i M15i M15C M18i Position Compact single-ended Premium dual-output USB-C dual-output Flagship mobile Headphone Outputs 3.5mm 3.5mm + 4.4mm 3.5mm + 4.4mm 3.5mm + 4.4mm Gain Control Automatic High / low High / low Model controls Best Use Simple portable setup Premium iOS/USB listening USB-C ecosystem Flagship portable system

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  $99.00  $81.70

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  Questyle Questyle M18i

  Questyle M18i is a compact USB DAC and headphone amplifier designed to upgrade wired listening from phones, tablets and computers.Questyle Current Mode amplification, high-resolution decoding and 3.5mm single-ended and 4.4mm balanced provide a focused portable HiFi solution without an internal battery.Why it stands outFour core reasons to choose this Questyle model.Current Mode AmplificationQuestyle's patented amplification architecture is designed for wide bandwidth, fast transient response and low distortion.High-Resolution USB DecodingQuestyle flagship decoding platform supports high-resolution playback from compatible USB sources.Practical Headphone Connectivity3.5mm single-ended and 4.4mm balanced cover the intended wired headphone and IEM connections.Portable, Bus-Powered DesignThe compact unit draws power from the connected source and requires no separate charging routine.Best for Portable wired headphone listening USB-C phone and tablet audio Laptop and desktop headphone systems High-resolution local or streaming playback Not ideal for Wireless Bluetooth headphone users Users needing speaker power amplification Headsets requiring microphone pass-through Listeners needing an internal battery EMiUZEK Buying Notes Questyle M18i is a USB DAC/headphone amplifier, not a music player or speaker amplifier. USB cable compatibility depends on the source device; iPhone connection requirements vary by connector generation. Start with low gain and low volume when using sensitive IEMs. Frequently Asked QuestionsCan it drive passive speakers?No. It is designed for wired headphones and IEMs.Does it support Bluetooth?No. Audio input is through USB.Does it need charging?No internal battery is used; it is powered by the connected source.Can I use it with an iPhone?Yes with the appropriate compatible cable; MFi support applies where specified for the model.Does it support headset microphones?The headphone outputs are for audio playback and do not provide microphone pass-through.Can it work with a computer?Yes, through a compatible USB connection and operating-system audio output selection.HOW TO CONNECTUSB-C phoneSource: Phone / tabletConnection: USB-COutput: Headphone outputTarget: Wired IEMs or headphonesNote: Select the Questyle device as audio output if needed.Computer audioSource: PC / MacConnection: USBOutput: Headphone outputTarget: Wired headphonesNote: Use a compatible data cable, not a charge-only cable.Portable streamerSource: USB-capable digital playerConnection: USBOutput: Headphone outputTarget: Wired IEMsNote: Begin playback at low volume.Technical Specifications Feature Specification Product Type Portable USB DAC / headphone amplifier DAC Questyle flagship decoding platform Amplification Questyle Current Mode USB Input USB Type-C Headphone Outputs 3.5mm single-ended and 4.4mm balanced Power USB bus powered Maximum PCM Up to 32-bit/768kHz DSD Up to DSD512 Additional Function HD-call support with compatible devices Recommended System Setup Setup Connection Mobile Phone → USB → M18i → wired headphones Computer PC/Mac → USB → M18i → headphones Portable player USB digital player → M18i → IEMs Additional Product Content Feature M12i M15i M15C M18i Position Compact single-ended Premium dual-output USB-C dual-output Flagship mobile Headphone Outputs 3.5mm 3.5mm + 4.4mm 3.5mm + 4.4mm 3.5mm + 4.4mm Gain Control Automatic High / low High / low Model controls Best Use Simple portable setup Premium iOS/USB listening USB-C ecosystem Flagship portable system

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  $367.65

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  Questyle Questyle CMA Fifteen

  Questyle CMA Fifteen is a reference desktop DAC, headphone amplifier and preamplifier for headphones, active monitors and power amplifiers.Its ES9038PRO DAC, Current Mode amplification, balanced headphone outputs and extensive digital/analog connectivity form a complete desktop audio hub.Why it stands outFour core reasons to choose this Questyle model.ES9038PRO Reference DACThe eight-channel flagship DAC supports PCM up to 32-bit/768kHz and native DSD512.Current Mode Headphone AmplificationFour Current Mode amplifier engines provide balanced and single-ended headphone drive.DAC, Headphone Amp and PreampOne chassis can control headphones, active speakers or an external power amplifier.Comprehensive Source SupportUSB, optical, coaxial, Bluetooth and analog inputs support mixed desktop systems.Best for Reference desktop headphone systems Active monitor control Balanced power-amplifier systems Multi-source digital audio desks Not ideal for Portable or battery-powered use Passive speakers without a power amplifier Users needing HDMI ARC Minimal single-source systems EMiUZEK Buying Notes CMA Fifteen does not directly power passive speakers; use a downstream power amplifier. Set fixed or variable output correctly before connecting active speakers or a power amplifier. Use low gain and low volume first with sensitive headphones. Frequently Asked QuestionsCan it power passive speakers?No. Use its pre-out with a separate power amplifier.Can it drive balanced headphones?Yes, through 4.4mm and 4-pin XLR balanced outputs.Does it support Bluetooth input?Yes, including supported high-resolution Bluetooth codecs such as LDAC.Can it connect to active speakers?Yes through XLR or RCA preamp outputs.Does it support analog input?Yes, RCA analog input is provided.Can it decode DSD512?Yes over a compatible USB source and playback configuration.HOW TO CONNECTDesktop headphonesSource: PC / MacConnection: USBOutput: 4.4mm / 4-pin XLR / 6.35mmTarget: Wired headphonesNote: Select appropriate gain.Active monitorsSource: Digital or analog sourceConnection: USB / optical / coaxial / Bluetooth / RCAOutput: XLR or RCA pre-outTarget: Active speakersNote: Use variable preamp output.Power amplifier systemSource: Digital sourceConnection: Supported digital inputOutput: XLR or RCA pre-outTarget: Power amplifier → passive speakersNote: Confirm volume control before playback.Technical Specifications Feature Specification Product Type Desktop DAC / headphone amplifier / preamplifier DAC ESS ES9038PRO Maximum PCM 32-bit/768kHz DSD Native DSD512 Headphone Outputs 4.4mm balanced; 4-pin XLR balanced; 6.35mm Line Outputs XLR and RCA Inputs USB, optical, coaxial, Bluetooth, RCA analog Amplification Four Questyle Current Mode amplifier engines Recommended System Setup Setup Connection Headphones Computer → USB → CMA Fifteen → headphones Active monitors Source → CMA Fifteen → XLR/RCA active speakers Passive speakers Source → CMA Fifteen → power amplifier → passive speakers Additional Product Content Feature CMA Fifteen CMA18 Master M18i Position Desktop DAC/amp/preamp Flagship desktop DAC/amp Portable flagship DAC ES9038PRO Flagship desktop architecture Mobile architecture Balanced Headphone 4.4mm + 4-pin XLR Yes 4.4mm Preamp Output XLR + RCA XLR + RCA Portable line function Best Use Reference desktop hub Top desktop system Portable listening

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  $1,622.50

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  Questyle Questyle CMA18 Master Hi-Res DAC/AMP

  Questyle CMA Eighteen Master is a flagship desktop DAC, preamplifier and headphone amplifier designed as the control centre of a reference headphone or HiFi system.Its fully balanced Current Mode architecture, extensive digital and analogue connectivity, and powerful balanced headphone stage combine source control and high-end listening in one chassis. Why it stands outFlagship desktop integrationCombines digital decoding, analogue preamplification and headphone amplification in one reference-class component.Full-chain Current Mode designQuestyle’s Current Mode signal path is engineered for wide bandwidth, low distortion and precise transient response.Balanced system architectureBalanced headphone and line connections support demanding headphones and high-quality downstream systems.Flexible source controlMultiple digital and analogue inputs make it suitable for computers, transports and existing HiFi sources. Best for Reference desktop headphone systems High-end DAC and preamplifier upgrades Balanced headphones and active monitor systems Multi-source desktop or living-room HiFi systems Not ideal for Portable or battery-powered listening Directly driving passive loudspeakers Users who only need a simple USB dongle EMiUZEK Buying Notes This is the desktop CMA Eighteen Master, not the battery-powered CMA18 Portable. It is a DAC, preamplifier and headphone amplifier; it does not contain a loudspeaker power amplifier. Connect passive speakers through a separate power amplifier or integrated amplifier. Frequently asked questionsCan it drive passive speakers directly?No. Use its line output with an external power amplifier or active speakers.Can it be used as a preamplifier?Yes, connect its line output to a compatible power amplifier or active monitors.Can I connect a computer?Yes, use the appropriate digital input and install the official driver where required.Does it support balanced headphones?Yes, it provides balanced headphone connectivity as well as single-ended headphone use.Is this the CMA18 Portable?No. This listing is for the full-size desktop CMA Eighteen Master. HOW TO CONNECTDesktop Headphone SystemSource: PC / MacConnection: USB audioOutput: Balanced or single-ended headphone outputTarget: Wired headphonesActive Speaker SystemSource: Digital or analogue sourceConnection: Compatible inputOutput: Line / preamplifier outputTarget: Active speakersHiFi Preamp SystemSource: Streamer / CD transportConnection: Digital inputOutput: Balanced or RCA line outputTarget: Power amplifier and passive speakers Technical Specifications Feature Specification Product type Desktop DAC / preamplifier / headphone amplifier Architecture Fully balanced full-chain Current Mode design Digital sources Computer, digital transport and compatible digital audio sources Analogue input Line-level analogue input Headphone outputs Balanced and single-ended Line outputs Balanced and unbalanced Speaker amplification Not built in Power AC-powered desktop component What's in the box Questyle CMA Eighteen Master Power cable Remote control Product documentation Download CenterAccess product manuals, firmware updates, and additional support resources.Download CenterAdditional Product Content📊 Comparison: Which Flagship Desktop DAC/Amp Is Right for You?Choose CMA Eighteen Master for Current Mode sound, extensive source flexibility and a flagship all-in-one system; choose RME for deep DSP control, or FiiO K19 when HDMI ARC and very high headphone power are priorities. Feature Questyle CMA Eighteen Master RME ADI-2 DAC FS FiiO K19 Core buying reason Flagship Current Mode desktop system Reference DAC with powerful DSP High-power desktop DAC/amp with HDMI DAC architecture ESS ES9038PRO RME reference conversion platform Dual ESS ES9039SPRO Maximum USB playback PCM 768kHz / DSD512 PCM 768kHz / DSD PCM 768kHz / DSD512 Headphone connection 4.4mm balanced and 6.35mm 6.35mm plus dedicated IEM output 4.4mm, 6.35mm and 4-pin XLR Analogue input Included for multi-source integration Not on ADI-2 DAC FS Not the main use case DSP / EQ focus Sound-path and hardware focused Extensive PEQ, loudness and crossfeed App and onboard DSP features HDMI ARC No No Yes Best choice when You want Questyle Current Mode sound and a flagship preamp/headphone hub You need precise headphone correction and measurement-style control You need HDMI, Bluetooth and maximum connection flexibility

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  $2,337.05

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  HiFiMuse HiFiMuse Q7

  The HiFiMuse Q7 is a desktop DAC, preamplifier and headphone amplifier built around dual ES9039Q2M converters. USB-B, optical, coaxial and Bluetooth inputs feed balanced XLR/RCA line outputs plus 6.35 mm and balanced 4.4 mm headphone outputs.Why it stands out 01 Dual ES9039Q2M DACs A dual-DAC architecture supports balanced line and headphone paths. 02 DSD512 and PCM 384 kHz USB The XMOS XU208 interface accepts high-resolution USB-B computer audio. 03 Balanced and single-ended outputs Use XLR or RCA line output, plus 4.4 mm balanced or 6.35 mm headphone output. 04 Bluetooth 5.2 with aptX HD QCC3040 supports aptX, aptX Low Latency, aptX HD, SBC and AAC. Best for Desktop headphone listening Balanced XLR preamplifier systems High-resolution USB audio Optical or coaxial sources Bluetooth listening with supported codecs Not ideal for Driving passive speakers directly Systems requiring HDMI ARC Portable battery-powered use Headphones outside the listed impedance ranges EMiUZEK Buying Notes The Q7 is a DAC/preamp/headphone amplifier; passive speakers require a separate amplifier. Select the correct 110 V or 220 V mains version. Source-device adapters or drivers may be required for USB use. FAQCan it drive passive speakers?No. Use XLR or RCA with a power amplifier or active speakers.What is the maximum USB resolution?USB-B is listed up to DSD512 and PCM 32-bit/384 kHz.What do optical and coaxial support?Both are listed up to 24-bit/192 kHz.Which headphones can I use?The data lists 16–300 ohms for 6.35 mm and 16–600 ohms for balanced 4.4 mm.How powerful is 4.4 mm output?It is listed at 5.9 Vrms, 1,000 mW at 16 ohms and 56 mW at 600 ohms.Which Bluetooth codecs are supported?aptX, aptX Low Latency, aptX HD, SBC and AAC.Can it work as a preamplifier?Yes. It provides XLR and RCA preamplifier outputs.Is it an R2R DAC?No. The specification lists dual ESS ES9039Q2M chips.HOW TO CONNECT USB-B — Connect Windows, macOS, Android or iOS for up to DSD512 and PCM 384 kHz. Optical or coaxial — Connect S/PDIF for up to 24-bit/192 kHz. Bluetooth 5.2 — Pair using a supported codec such as aptX HD, aptX LL, aptX, AAC or SBC. Technical Specifications Feature Specification Model Q7 Type Desktop DAC, preamp and headphone amplifier Color Black Construction Aluminum panel and iron case DAC Dual ES9039Q2M USB interface Second-generation XMOS XU208, 8-core Op-amp stage IRC5535 ×2; OPA1642 ×1 Transformer Square transformer Bluetooth chipset Qualcomm QCC3040 Bluetooth 5.2 Codecs aptX, aptX Low Latency, aptX HD, SBC, AAC USB systems Windows 7–11, macOS, Android, iOS USB-B Up to DSD512; PCM 32-bit/384 kHz Optical/coaxial Up to 24-bit/192 kHz Line outputs Balanced XLR; RCA preamp Headphone outputs 6.35 mm single-ended; 4.4 mm balanced Control Knob and remote 6.35 mm impedance 16–300 ohms 4.4 mm impedance 16–600 ohms XLR level / THD+N 3.14 Vrms / -97 dB XLR noise / SNR / DNR 1 µV / 120 dB / 120 dB XLR frequency / crosstalk 20 Hz–20 kHz ±0.07 dB / -110 dB RCA level / THD+N 3.14 Vrms / -97 dB RCA noise / SNR / DNR 3 µV / 116 dB / 116 dB RCA frequency / crosstalk 20 Hz–20 kHz ±0.06 dB / -108 dB 6.35 mm level 2.9 Vrms 6.35 mm power 360 mW/16 ohms; 28 mW/300 ohms 6.35 mm THD+N / noise -96 dB / 3 µV 6.35 mm SNR / DNR 116 dB / 116 dB 6.35 mm frequency / crosstalk 20 Hz–20 kHz ±0.06 dB / -108 dB 4.4 mm level 5.9 Vrms 4.4 mm power 1,000 mW/16 ohms; 56 mW/600 ohms 4.4 mm THD+N / noise -96 dB / 1 µV 4.4 mm SNR / DNR 120 dB / 120 dB 4.4 mm frequency / crosstalk 20 Hz–20 kHz ±0.07 dB / -110 dB Mains AC 110 V / 220 V, 50 Hz Rated consumption 15 W Additional Product ContentComparison: choose the right HiFiMuse model Feature Specification Decision point Q7 Primary role DAC/preamp/headphone amp DAC Dual ES9039Q2M Maximum USB DSD512 / PCM 384 kHz Headphone outputs 6.35 mm and 4.4 mm Passive-speaker output No Best when You need balanced/high-resolution headphone functions

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  $198.00  $159.00

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