2.1 amplifier
Led indicators of 2.1 amplifier
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2.1 amplifier connection
2.1 amplifier with multi room control
2.1 amplifier with remote control
2.1 Amplifier for DIY Speaker Up2stream Amp 2.1
2.1 Amplifier for DIY Speaker Up2stream Amp 2.1
2.1 Amplifier for DIY Speaker Up2stream Amp 2.1

2.1 Amplifier for DIY Speaker Up2stream Amp 2.1

18 reviews

Regular price $139.00 Sale price $119.00
-103 in stock
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2.1 Amplifier with Powerful 50W X2 + 100W Sound Output

The Up2stream Amp 2.1 is a 2.1 amplifier that specialized wireless streaming for DIY users and subwoofer lovers. In addition to the undistorted sound quality and a powerful subwoofer output, you also get the most advanced wireless technology. With wifi, Bluetooth 5.0, Airplay, Spotify Connect, also DLNA and UPnP protocols for wireless control. It's worth mentioning that the sound quality via wifi streaming is without any compression and no distance limitation as long as your wifi signal is strong enough, which upgrades your home audio system to be more usable and enjoyable to listen to.

2.1 amplifier

Wireless Subwoofer

  • Rotary Knob Control

    Besides adjusting the volume in real-time, you can also change your Treble and Bass while listening to your music through the corresponding knob. Just press and hold the button, it's easy! 

    2.1 amplifier with rotary knob
  • Powered Subwoofer

    Up2stream Amp 2.1 equipped with 50W*2 stereo pair + 100W high-powered subwoofer. The sound output is immaculate and stunning, definitely enough to keep you partying at home all day long. Let’s make some noise!

    2.1 amplifier apply in the party
  • Precisely EQ Adjustment

    When it comes to audio products, especially subwoofers, players are very interested in EQ control. Up2stream Amp 2.1 can adjust Treble and Bass via remote control, app, and knobs, but the best way is to use our ACPWorkbench tuning tool, which adjusts EQ precisely. If you are someone who likes to customize your audio effect or enjoys musical variety, this is a feature you will love!

    2.1 amplifier with EQ control
  • 2.1 amplifier with multi zone control
  • Multi-zone Subwoofer for your House

    No matter where you are in your house, you can always take out your phone to play a song for you or your family. Easily to Group all your subwoofers and let the house shake tonight!

  • All Music you Like

    Huge music resources supported like Spotify, Amazon Music, Tidal, Deezer, Qobuz, Internet Radio, iheart Radio, Napster etc. Except online music, you also can play local music by NAS, USB storage where you have collected your favorite song for years.

    2.1 amplifier with Spotify streaming
  • Wireless Connectivity

    Streaming your audio all the way by Wifi, Bluetooth 5.0, DLNA, UpPnP, Airplay, Spotify Connect.

    2.1 amplifier with airplay
  • Support Multiple Audio Sources

    Supprt streaming local music, NAS, USB Stick and line in devices wirelessly. Play your favorite music from anywhere.

    compatible audio input with 2.1 amplifier
  • Free iOS & Android App

    Our App called “4stream” that is compatible to your iOS & Android system. All the features can be simply controlled by App. And you also can receive the notification for our regular online firmware update automatically in our App.

    2.1 amplifier with 4 stream App


Interfaces Network Music Sources
DC input:
Wireless connection:
- IEEE 802.11 b/g/n 2.4G
- Bluetooth 5.0
Online streaming services:
Spotify/Amazon Music/Tidal/Deezer
Qobuz/Internet Radio/iheartRadio
Napster, more coming in the near future
Analog audio input:
- 3.5mm mini jack(1Vrms)
- 4 pin connector
- Micro USB
Wired connection :
- Ethernet RJ45
Local storage:
Music stored on the mobile device memory, NAS USB pen drive
Analog audio output
-Speaker out with subwoofer out (Pin space 5.0mm)
Audio Parameters General
Rotary knob:
volume knob/Treble knob/Bass knob
Music format:
Ethernet RJ45:
for wired LAN cable to connect internet
Audio decode:
24bit, 192kHz
LED indicators:
to show the device status
Frequency response:
Working temperature:
Power/Reset Button:
short press to turn on/off, long press to reset WiFi settings/terminate Bluetooth connection
<0.03% @1kHz/1W/4ohm
Speaker Power
IR receiever:
for remote control
2x50W@4Ω + 100W@2Ω BTL load at 24V
2x30W@8Ω + 75W@4Ω BTL load at 24V
2x22W@8Ω + 48W@4Ω BTL load at 19V
2x15W@8Ω + 30W@4Ω m BLT load at 15V
Wireless antenna:
for WiFi & Bluetooth connection
Bluetooth distance:
Streaming Protocols Control Applications
Spotify connect/Qplay
4STREAM for iOS and Android based smart devices
iTunes for MAC and Windows PC
Foobar2000 and other compatible third-party apps

Package Included

2.1 amplifier accessories
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About Us

Arylic is founded by groups of expert people with different skills from home audio and lifestyle new technology products. With more than 10 years of experience designing the product behind the scenes, we made the decision to make some products of our own team with our specialty, to make them good, value for money, good quality, maintain and update.

Learn more about our story>>


Ask a Question
  • How can I turn off the beep tone when using the volume knob on Amp 2.1? I have the PC ACP workbench, but did not find an option to deactivate or at least reduce the volume of the beep.
    Yes, you can turn off the Beep sound.
    In the ACPWorkbench, on the bottom right corner click on the "TAG" button.
    Then input:
    in the ASCII input bar then clck "SET" button.

    This will disable the beep sound when you change the volume using the volume node.
    If you want to turn it back on, just input:
  • Is powering from a 6S lithium pack (25,2V) is Ok for the board?
    The proper voltage is 12 -24V, there is no limitation in current
  • If I buy 2+ wifi amp, hooking one with tv and WiFi, while others to speakers and the same WiFi, can I still sync the sounds with all amps?
    Yes, it can sync the  sound  Aux in making use of multiroom mode
  • I tried several Leds as the schematic on the user manual. Some colors work, some give a bliep, some dont shine, some do other strange things. What kind of leds can I connect to nr16?
    Do you like what kind of light you need to use, just connect the corresponding pin to GND.
  • I have an Up2Stream 2.1 Amp How can I set the Crossover Frequency to 120Hz ?
    Adjust the fre option in main eq in acpworkbench
  • Can I use an 18v tool battery with to power this amp or will it damage it?
    yes you can,  our input voltage is 12-24V
  • Hello, is it possible to configure the stereo output as a single BTL and assign one channel to this BTL output and the other channel to the sub channel, and having this way a stereo 100+100W output?
    You can achieve the goal through workbench, redefine the function of the Output mode 
    please check the URL:https://drive.google.com/file/d/1QDqt6wYqdYlvpkOMetnAItNRrgUXJGNK/view?usp=sharing
  • Can I use a 12V 5A power supply to use with 2x15W (4ohm) + 1x15W Sub (4ohm) ? Do I have to change any settings for the sub ?
        Yes, you can use this specification power supply
        You can change setting through ACPworkbench
  • Hallo, what ist No. 10 for a plug type? Is it not a PH2.0. It is not a same type how the other plugs on the board.
  • Do you still need a crossover circuit for the subwoofer? And can you freely set the crossover frequency, maximum frequency and phase?
    No need to set the crossover circuit, our we can set the crossover frequency of 50-200hz
  • What is distance between knobs?
    Please refer to this URL:https://cdn.shopify.com/s/files/1/0072/6899/1049/files/Up2stream_Amp_2.1_Dimensions_Diagram.pdf?v=1603347793
  • Do the tone controls add on top of any EQ set in ACPWorkbench?
    Yes, you can adjust gain in any EQ
  • Can the subwoofer out handle a 2ohm driver
    Yes, 2ohm power is bigger.
  • Is USB OTG supported at 192 24?
  • What are the main dimensions of the board (holes and potentiometers in relation to each other and the board edges)?
    please check 
  • Hello, can you also connect 2x4Ω + 1x4Ω speaker?