Description
Hi-Res Multiroom Wireless Streaming Amplifier Board
The Arylic Up2Stream Amp V4 is a next-generation Hi-Fi streaming amplifier that combines audiophile-grade power, modern wireless streaming, and multiroom flexibility.
Featuring a 50W×2 Class-D amplifier with low distortion and high efficiency, it’s capable of driving bookshelf or ceiling speakers with clean, detailed sound and rich dynamics.
Supporting AirPlay 2, DLNA, Spotify Connect, TIDAL Connect, and Qobuz, the Amp V4 enables 24-bit/192 kHz high-resolution playback via Wi-Fi or Ethernet. You can stream from NAS, local storage, or online music services effortlessly.
With the 4STREAM App, users can manage multiroom playback, individual zone volume, EQ customization, and OTA firmware updates. The Amp V4 also supports Bluetooth 5.2, optical input, RCA input/output, and subwoofer output, making it a versatile centerpiece for home or commercial setups.
Engineered with an upgraded DAC and refined power stage, the Arylic Up2Stream Amp V4 delivers a smoother frequency response and tighter bass compared to previous versions.
Whether for a single room or a whole-house system, it’s the perfect amplifier to bring true Hi-Res wireless audio to any passive speaker setup.
Arylic Wireless Streaming Amplifier Comparison
| Feature | Up2Stream Amp V4 | Up2Stream Amp 2.1 | Up2Cast Amp |
|---|---|---|---|
| Output Power | 50 W × 2 @ 4 Ω | 50 W × 2 + 100 W Sub Out | 50 W × 2 @ 4 Ω |
| Amplifier Type | Class-D (TPA3116) | Class-D (TPA3116) + Sub Amp | Class-D (TPA3255) |
| Audio Resolution | 24-bit / 192 kHz | 24-bit / 192 kHz | 24-bit / 192 kHz |
| Supported Protocols | AirPlay 2, DLNA, Spotify Connect, TIDAL Connect, Qobuz | AirPlay, DLNA, Spotify Connect, TIDAL Connect | AirPlay 2, DLNA, Spotify Connect, TIDAL Connect |
| Bluetooth | Bluetooth 5.2 | Bluetooth 5.0 | Bluetooth 5.2 |
| Inputs | RCA Line-In, Optical In | RCA Line-In, Optical In | Optical In, RCA Line-In |
| Outputs | RCA Pre-Out, Sub Out, Speaker Out | RCA Pre-Out, Sub Out, Speaker Out | RCA Pre-Out, Sub Out, Speaker Out |
| Network Connectivity | Wi-Fi 2.4 / 5 GHz + Ethernet | Wi-Fi 2.4 GHz + Ethernet | Wi-Fi 2.4 / 5 GHz + Ethernet |
| Multiroom Support | ✅ (4STREAM App / Web UI) | ✅ (4STREAM App / Web UI) | ✅ (4STREAM App / Web UI) |
| DAC Chip | Upgraded Hi-Res DAC | Integrated DAC | ESS 9038 DAC |
| Control Methods | 4STREAM App, Web UI, IR Remote | 4STREAM App, Web UI | 4STREAM App, Web UI |
| Firmware Update | OTA via App or Web | OTA via App | OTA via App |
| Use Scenario | Hi-Res multiroom system | 2.1 home theater / subwoofer setup | Premium Hi-Fi wireless amp |
| Typical Price Range | ≈ $129 – 149 USD | ≈ $99 – 119 USD | ≈ $179 – 229 USD |
Specifications
- Weight: 200gr
- Usage: Indoor & outdoor
Pros and cons
- Sustainably produced
- Ideal for everyday use
A Range Of Options To Suit Your Design
Powerful Amplifier
2.0 stereo systemStereo: 50W x2
Mono: 100W
TPA3116D2 amplifier chip
Wireless Capability
- AirPlay
- Spotify Connect
- WiFi
- Bluetooth
- DLNA
- UPnP
Multi-room
- Sync audio in all rooms
- Play different songs at the same time
- Support available audio input souce for multiroom streaming.
Music Service
Spotify, Apple Music Amazon Music,
Tidal Qobuz, TuneIn, Internet Radio, BBC
Radio,Napster, iHeart Radio, Radio Paradise.
Lossless Audio
Decoding up to 192khz/24bits, and output with CD quality.Support FLAC / MP3 / AAC / AAC+ / ALAC / APE / WAV lossless audio format.
Stereo/ Mono Switcher
- Supoort switch between stereo mode and mono mode easily by the jumper.
- Stereo mode, connect to a pair of passive speaker.
- Mono mode, connect to a mono speaker.
Local Music Source
- Support phone storage, NAS, and USB stick.
4STREAM APP
- Free iOS & Android APP
- Manage all Up2Stream streaming devices in one APP
- Full multiroom control
Technical Specifications
| Category | Details |
|---|---|
| Connectivity | - |
| WiFi | IEEE802.11 b/g/n 2.4G |
| Bluetooth | 5.0 SBC/AAC, 15M, BT Receiver |
| Wired Network | Ethernet Single 10/100M RJ45 |
| Protocols | AirPlay, DLNA, UPnP, Spotify Connect, Qplay |
Technical Specifications
| Category | Details |
|---|---|
| Interface | - |
| Power Input | 12V-24V/DC in12V-24V 2Pin Connector |
| Analog Input | 3.5mm Line Input (1 Vrms)4 pin connector Line Input (1 Vrms) |
| Analog Output | 4 pin connector Line Out (1 Vrms)Speaker Out |
| Digital Input | Micro USB Input*SPDIF In pin connector |
| I/O Interface | LED pin connectorIR pin connectorButton pin connectorRotary encoder pin connectorGPIO pin connectorMono Out pin connector |
Technical Specifications
| Category | Details |
|---|---|
| Speaker and Amplifier | - |
| Stereo | 2x50W @ 4ohm load at 24V2x30W @ 8ohm load at 24V2x15W @ 8ohm load at 15V |
| Mono | 100W @ 2ohm load at 24V60W @ 4ohm load at 21V30W @ 8ohm load at 18V |
| Speaker Impedance | 4-8Ω |
| Amplifier Chip | TPA3116D2 |
| Weight | 300g |
Technical Specifications
| Category | Details |
|---|---|
| Reset Button and LED Indicators | - |
| Device on | Short press once: Switch input modeLong press once: Switch offShort press twice: Disconnect current WiFi connection and enter paring mode (WiFi mode)；Disconnect current connected Bluetooth device (Bluetooth mode)Short press three times: Restore the factory settings |
| Device off | Short press: Switch on |
| LED Indicators | ⚪White-WiFi & network mode:Flashing fast-device is bootingFlashing slow- waiting for WiFi connectionSolid- WiFi is connected🔵Blue-Bluetooth mode:Flashing slow- waiting for Bluetooth connectionSolid- Bluetooth is connected🟢Green-Line in mode🔴Red-USB mode🟡Yellow-connect to PC🟣Purple-Spdif in mode |
Control In Your Favorite Way
AirPlay
Play and control from your iPhone, iPad or Mac directly. Support streaming directly from iTunes.
Bluetooth
Flexiable to play from any audio sources from Bluetooth, like YouTube, Netflex, Tiktok or more.
4STREAM & GO CONTROL APP
Fully control with music service, multiroom, source switch, volume control. Change WiFi, Bluetooth name.
DLNA/UPnP
Support 3rd party app for playing by DLNA or UPnP protocols. Like Musicbee and Foobar2000.
PC Sound Card
Once you connect the Up2Stream Amp to your PC, it will be detected as a USB sound card. This allows you to stream audio from your PC directly to other devices connected to the Up2Stream Amp. This feature provides a convenient way to extend your audio playback capabilities beyond your PC. Support both Windows & Mac PC.
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10 band EQ
Use GO CONTROL APP for 10 band advanced EQ control, and custom as you like. Apply on all your audio sources.
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Tune Like An Expert
ACPWorkbench Tuning Tool is an advanced tuning tool that you can adjust specific EQ for each channel and switch pins configuration.
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Plug and Play
- With the ready-to-use interfaces, streaming music is as simple as plugging in the power and connecting to a passive speaker. Unlike other audio boards, there's no need for soldering of pins before you can get started.
- This makes it incredibly easy and user-friendly for anyone to use.
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Enhanced Up2stream
The Up2Stream Amp offers several optional expansion boards that can be used to enhance its functionality and performance. These expansion boards include the Up2Stream SPDIF board, Up2Stream Button Board, Up2Stream IR Extension Board, and Up2Stream Volume Knob Board. You can find all the boards in Accessories.
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Smart Home Assistant Integration
The Up2Stream Amp offers a range of communication options, including HTTP API, UART, and TCP commands, providing flexibility for users to integrate the device into their existing smart home systems or to develop custom applications.
Get API files below and check the cases in our forum.
Build Your Wireless Projects
FAQ
Can I use this amp in an active configuration, meaning one channel places highs for the tweeter, and the other plays lows for the woofer?
Yes, that is available.
You may need to setup this configuration by our ACPWorkbench Tuning Tool.
Set different frequency for different channel.
How can I stream from PC wirelessly?
You can use any software that supports Airplay, DLNA or UPnP protocols. Such as iTunes, Muiscbee, Foobar2000 etc.
Can we listen to a radio with a personalized link? If yes, how ?
Yes, this is available. There are 2 ways you can do this.
1. 4STREAM APP> Internet radio> Click on the menu icon on the top right corner.>You should see a "Custom URL" button, then you can put in your link there and listen to the radio that URL points to.
2. Entry web control>Radio>register your account>my station
Can a Google Home stream to this over wifi?
Currently, Up2Stream Amp only support connecting Google Home or Alexa via Bluetooth or Line in.