








A Range Of Options To Suit Your Design
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
12V-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 connector
IR pin connector
Button pin connector
Rotary encoder pin connector
GPIO pin connector
Mono Out 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
91dB/0.03%, @1kHz 50W+50W 24V-4Ω
USB Host
For USB pen drive/stick, 1000 songs limited.
Frequency response
20Hz to 20kHz
Speaker and Amplifier
Stereo
2x50W @ 4ohm load at 24V
2x30W @ 8ohm load at 24V
2x15W @ 8ohm load at 15V
Mono
100W @ 2ohm load at 24V
60W @ 4ohm load at 21V
30W @ 8ohm load at 18V
Speaker Impedance
4-8Ω
Amplifier Chip
TPA3116D2
General and Accessory
Dimensions
110*80*22mm
Weight
300g
Working temperature
0~40℃
Acessory
220mm Internal WiFi Antenna x2
4Pin Phoenix Connector
Screw Driver
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
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-Spdif in mode
Control In Your Favorite Way

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.

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.

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.
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
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 Amp only support connecting Google Home or Alexa via Bluetooth or Line in.
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