HiFiMuse Q7 Portable DAC/Amp: Dual ES9039Q2M, Bluetooth 5.2, 4.4mm Balanced

HiFiMuse Q7 Portable DAC/Amp: Dual ES9039Q2M, Bluetooth 5.2, 4.4mm Balanced

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    Description

    HIFIMUSE Q7: Portable High-Fidelity Dual-DAC Headphone Amplifier

    The HiFiMuse Q7 is a compact and powerful DAC and headphone amplifier designed for audiophiles on the move. Integrating dual flagship-class DAC chips, high-resolution Bluetooth, and dedicated balanced outputs, the Q7 delivers the sound quality of a desktop stack in a device small enough to fit in your bag, making true mobile Hi-Fi accessible anywhere.

    Dual-Chip Architecture for Exceptional Fidelity

    The Q7 is built with a sophisticated circuit design typically reserved for stationary desktop equipment.

    Dual ESS ES9039Q2M Chipset

    The core of the Q7 is its Dual ESS ES9039Q2M DAC chip configuration. By dedicating one premium DAC chip to each stereo channel, the Q7 achieves superior channel separation, minimized crosstalk, and a massive dynamic range, ensuring a clean and expansive soundstage.

    High-Resolution Decoding and XMOS USB

    Utilizing the XMOS USB interface, the Q7 supports high-resolution audio formats up to 32bit/384kHz PCM and native DSD512 decoding. This powerful processing capability guarantees accurate, detailed playback from your laptop or dedicated digital audio player.

    Wireless Freedom and Balanced Power

    The Q7 provides both high-quality wireless connectivity and the necessary power for demanding headphones.

    Bluetooth 5.2 with LDAC Support

    Equipped with the latest Bluetooth 5.2 technology, the Q7 ensures a fast, stable, and high-fidelity wireless connection. Full support for the LDAC codec allows for the streaming of high-resolution audio (up to 24bit/96kHz) wirelessly from compatible smart devices.

    Powerful 4.4mm Balanced Output

    The Q7 features a high-power 4.4mm Balanced Output alongside a single-ended output. The balanced output delivers enhanced voltage and drive, providing the clean power required to effortlessly drive professional headphones and maximizing noise rejection in a portable environment.

    Design and Portability

    • Compact and Portable: Despite its dual-chip architecture, the Q7 maintains a compact and portable form factor, making it ideal for carrying with a smartphone or laptop.

    • Simple Interface: Designed for straightforward use, often featuring simple volume control and input selection.

    • Universal Compatibility: Connects seamlessly to Android and iOS devices, as well as PCs, offering versatile high-fidelity audio on the go.

    Specifications

    • Weight: 200gr
    • Usage: Indoor & outdoor

    Pros and cons

    • Sustainably produced
    • Ideal for everyday use
    • May discolor in direct sunlight
    hifimuse Introduction
    hifimuse Introduction

    ESS9039Q2M Dual Core Decoding

    Adopts dual-chip design so that each way of sound has Independent DAC chip decoding output / The
    whole system truly realizes the independent high resolution of left and right channels, and enhances
    the sound effect in all aspects

    ESS9039Q2M Dual Core Decoding
    hifimuse internal diagram
    hifimuse Internal circuit board
    hifimuse Internal circuit board
    hifimuse Design
    hifimuse switch
    Digital Signal Rebirth Alignment Processing
    hifimuse Bluetooth5.2
    hifimuse Product usage diagram
    Connection Diagram
    Product Dimension Drawing

    Specifications

    Configuration/Model
    Q7
    Color
    Black
    Body Material
    Aluminum Panel + lron Case
    Audio DAC
    ES9039Q2M*2
    Audio Processor
    Second generation XMOS interface 8-core processor XU208 Amplifier
    Amplifier
    IRC5535*2 OPA1642*1
    Power Supply
    Square Transformer
    Bluetooth Audio Input
    Oualcomm 0cc3040 Bluetooth Module Bluetooth version:5.2 SupportS APTX/APTX-LL/APTXHD/SBC/AAC Bluetooth audio protocols
    USB Audio Compatibility
    Windows 7-11,Mac Android,iOS
    USB-B DAC Inputs
    Supports up to stereo DSD512 PCM384KHZ 32Bit
    Optical Audio Input
    Supports up to PCM 192KHz 24Bit
    Coaxial Audio Input
    Supports up to PCM 192KHz 24Bit
    Analog Audio Output
    "Preamp output: XLP (balanced) + RCAEarphone output: 6.35 single-ended + 4.4 balanced"
    Control Mode
    Knob control + remote control
    Recommended Headphone lpedance
    16-3000/single-ended,16-600Q/balanced
    XLP Output Audio Characteristics
    Output Level(Vrms):3.14Vrms@0dB Total Harmonic Distortion (THD+N):-97dB@1kHZ Noise:1uVrms Signal-to-Noise Ratio (SNR): 120dB@1kHZ Frequency Response:20-20kHz(±0.07dB) Channel separation (CROSSTALK):-110dB Dynamic Range(DNR):120dB@1kHZ
    RCA Outputs Audio Characteristics
    Output Level(Vrms):3.14Vrms@0dB Total Harmonic Distortion(THD+N):-97dB@1kHZ Noise:3uVrms Signal-to-Noise Ratio (SNR):116dB@1kHZ Frequency Response:20-20kHz(±0.06dB) Channel separation (CROSSTALK):-108dE Dynamic Range(DNR):116dB@1kHZ
    Headphone Output Audio Characteristics(6.35 single-ended)
    Output Level(Vrms):2.9Vrms@0dB Maximum Undistorted Power:360mW@16Q/28mW@3000 Total Harmonic Distortion(THD+N):-96dB@1kHz Noise:3uVrms Signal-to-Noise Ratio (SNR):116dB@1kHz Frequency Response:20-20kHz(±0.06dB) Channel separation (CROSSTALK):-108dB Dynamic Range(DNR):116dB@1kHZ
    Headphone Output Audio Characteristics(4.4 Balanced)
    Output Level(Vrms):5.9Vrms@0dB Maximum Undistorted Power:1000mW@16Q/56mW@6000 Total Harmonic Distortion(THD+N):-96dB@1kHZ Noise:1uVrms Signal-to-noise ratio (SNR): 120dB@1kHZ Frequency Response:20-20kHz(士0.07dB Channel separation (CROSSTALK): -110dB Dynamic Range(DNR):120dB@1kHZ
    Power input
    AC 110V 50Hz/AC 220V 50Hz
    Rated Power Consumption
    15W

    FAQ

    What are the sonic benefits of the R2R ladder DAC inside the HiFiMuse Q7?

    The HiFiMuse Q7 utilizes a discrete R2R ladder network for digital-to-analog conversion. Unlike the "delta-sigma" chips found in most consumer electronics, the R2R architecture provides a more linear and natural soundstage. Audiophiles choose the Q7 for its ability to produce a "non-fatiguing" sound, characterized by rich mid-tones, precise imaging, and a smooth high-frequency response that mimics the warmth of high-end analog tape or vinyl.

    Can the HiFiMuse Q7 drive demanding high-impedance headphones?

    Yes. The Q7 is engineered as an all-in-one desktop solution, featuring a robust internal amplification stage. It is designed to provide clean, effortless power to a wide range of headphones, from sensitive In-Ear Monitors (IEMs) to demanding high-impedance over-ear audiophile headphones. The dedicated headphone output ensures a low noise floor, preserving micro-details even at higher volume levels.

    How does the Q7 handle digital jitter and signal interference?

    Signal integrity is a priority for the HiFiMuse Q7. It employs high-precision clock management and optimized circuit isolation to minimize jitter (timing errors in the digital signal). By ensuring the digital-to-analog conversion is perfectly timed, the Q7 delivers a sharper "focus" in the soundstage, allowing listeners to pinpoint individual instruments within a complex musical arrangement.

    What connectivity options does the HiFiMuse Q7 offer for a desktop setup?

    The Q7 is designed to be the "hub" of your audio system. It typically supports multiple digital inputs, including USB for PC/Mac connection, and Optical/Coaxial for CD players or streamers. Additionally, its high-quality analog outputs allow it to function as a pure DAC or a pre-amplifier, sending a processed R2R signal to your favorite pair of active studio monitors or a dedicated power amplifier.

    Why is the Q7 considered a superior upgrade for PC-based audio?

    Most computer sound cards and entry-level USB DACs suffer from significant electromagnetic interference (EMI) from the PC's internal components. Moving to the HiFiMuse Q7 takes the conversion process outside the "noisy" computer environment. With its dedicated power filtering and R2R conversion, it drastically improves the transparency and dynamic range of your desktop audio, making it a critical upgrade for lossless music streaming and professional monitoring.

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