







A Range Of Options To Suit Your Design
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Powerful 2.1 Amplifier Board
- Provide an impressive 2.1 home theater experience with powerful deep bass.
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Powerful Amplifier
- 2.1 stereo system
- 50W x2 + 100W
- TPA3116D2 amplifier chip x2
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Wireless Capability
- AirPlay
- Spotify Connect
- WiFi
- Bluetooth
- DLNA
- UPnP
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Multi-room
- Sync audio in all rooms
- Play different songs at the same time
- Support available audio input souce for multiroom streaming.
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Music Service
Spotify, Apple Music Amazon Music, Tidal Qobuz, TuneIn, Internet Radio, Napster, iHeart Radio, Radio Paradise.
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Lossless Audio
- Decoding up to 192khz/24bits, and output with CD quality.
- Support FLAC / MP3 / AAC / AAC+ / ALAC / APE / WAV lossless audio format.
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Easy Installation
- The plate amp design allows you easy to install in your speaker project case.
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4STREAM APP
- Free iOS & Android APP
- Manage all Up2Stream streaming devices in one APP
- Full multiroom control
Specification
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
Interface
Power Input
12V-24V/DC in
Analog Input
3.5mm Line Input (1 Vrms)
Analog Output
Speaker Out and Subwoofer Out
Digital Input
USB A Input
Optical Input
I/O Interface
LED pin connector
IR pin connector
Button pin connector
Sound
Audio Format
Decoding up to 192khz/24bits
Output up to 44.1khz/16bits CD quality
Music Format
FLAC/MP3/AAC/AAC+/ALAC/APE/WAV
NAS
Support NAS with DLNA support
SNR/THD+N
≥85dB @ max/<0.9% @ 1KHz, 1W
USB Host
For USB pen drive/stick, 1000 songs limited.
Frequency response
20Hz to 20kHz
Speaker and Amplifier
Power
L&R 50W@4Ω + Sub 100W@2Ω BTL load at 24V
L&R 30W@8Ω + Sub 75W@4Ω BTL load at 24V
L&R 22W@4Ω + Sub 48W@4Ω BTL load at 19V
L&R 15W@8Ω + Sub 30W@4Ω BTL load at 15V
Speaker Impedance
4-8Ω (Stereo)/2-4Ω(Sub)
Amplifier Chip
TPA3116D2*2
General and Accessory
Dimensions
149*134*59mm
Weight
500g
Working temperature
0~40℃
Acessory
External Antenna x2
Internal Speaker Cable x2
User Manual
Reset Button and LED Indicators
Device on
Short press once: Switch input mode
Long press once: Switch off
Short 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
Volume Knob
Short press once: Switch input mode
Treble Knob
Short press once: Reset treble level to 0
Long press 5secs: Increase crossover frequency by 10Hz
(Crossover frequency range from 80-200Hz, default 110hz)
Bass Knob
Short press once: Reset bass level to 0
Long press 5secs: decrease crossover frequency by 10Hz
(Crossover frequency range from 80-200Hz, default 110hz)
LED Indicators
⚪White-WiFi & network mode:
Flashing fast-device is booting
Flashing slow- waiting for WiFi connection
Solid- WiFi is connected
🔵Blue-Bluetooth mode:
Flashing slow- waiting for Bluetooth connection
Solid- Bluetooth is connected
🟢Green-Line in mode
🔴Red-USB mode
🟡Yellow-connect to PC
🟣Purple-Optical Input
Control In Your Favorite Way
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AirPlay
Play and control from your iPhone, iPad or Mac directly. Support streaming directly from iTunes.
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Bluetooth
Flexiable to play from any audio sources from Bluetooth, like YouTube, Netflex, Tiktok or more.
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4STREAM & GO CONTROL APP
Fully control with music service, multiroom, source switch, volume control. Change WiFi, Bluetooth name.
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Web Control
listen to the radio and your favorite playlists easily via web browsers.
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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 Plate Amp 2.1 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 Plate Amp 2.1. This feature provides a convenient way to extend your audio playback capabilities beyond your PC. Support both Windows & Mac PC.

10 band EQ
Use GO CONTROL APP for 10 band advanced EQ control, and custom as you like. Apply on all your audio sources.

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.

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.
Smart Home Assistant Integration
The Up2Stream Plate Amp 2.1 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
Compatible Accessories
-
ACPWorkbench Tuning Tool
Regular price $20.00 USDRegular price -
Power Adapters
Regular price From $5.00 USDRegular price -
IR Remote Control
Regular price $10.00 USDRegular price -
Expansion Boards
Regular price From $10.00 USDRegular price -
Case of Up2stream Series
Regular price From $7.90 USDRegular price
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 Plate Amp 2.1 only support connecting Google Gome or Alexa via Bluetooth or line in.
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