Add A50 Amplifier to your current home stereo system and Wifi network then stream your favorite audio without any compression over wifi and Airplay.

50W x 2 Powerful Output
Get the peak output 50W*2 with 4ohm passive speakers and our 24V 4.16A certificated power supply. Hear and feel the powerful stereo sound around your room.

Simple Whole House Audio Solution
After setup the units in the zones you want to stream music, you can use our user-friendly app to quickly sync or play different music simultaneously. Easy control by sliding and clicking.

Good Compatibility to your Exisiting Speakers
Suitable for 4-8ohm passive speakers, like celling speakers, bookshelf speakers, desktop speakers, in-wall speakers and on-wall speakers, just connect to A50 amplifer with 4 pin phoenix connector through gauge wires.(10-18)

Stream All Music you Like
Stream your favorite online music such as Spotify, Amazon Music(US Only), Tidal, Deezer, Qobuz, Internet Radio, iheartRadio, Napster etc. Any time anywhere in your house with our 4stream App.

Wireless Capability from PC
You can stream your favorite playlist from PC wirelessly by Third-Party software that support DLNA, UPnP protocols or use iTunes to stream


Interfaces Network Music Sources
DC input:
Wireless connection:
– IEEE 802.11 b/g/n 2.4G
– Bluetooth 5.0 SBC/AAC
Online streaming services:
Spotify/Amazon Music/Tidal/Deezer
Qobuz/Internet Radio/iheartRadio
Napster, more coming in the near future
Analog audio input:
-RCA x1 for analog input(1.2Vrms)
Wired connection :
– Ethernet RJ45
Local storage:
Music stored on the mobile device memory, NAS, USB pen drive
Analog audio output
-RCA x1 for analog output(1Vrms)
Audio Parameters Aux input:
RCA for analog input
USB host:
to connect USB pen drive
Music format:
Speaker Power
Ethernet RJ45:
for wired LAN cable to connect internet
Audio decode:
24bit, 192kHz
2×50-W into a 4-Ω BTL Load at 21 V
2×30-W into a 8-Ω BTL Load at 24 V
LED indicators:
to show the device status
Frequency response:
short press to reset the WiFi, long press to restore factory setting
0.03%, @1kHz 50W+50W 24V-4Ω
Power input:
24V-4.16A DC input
IR receiever:
for remote control
Bluetooth distance:
for WiFi and Bluetooth
Speaker impedance:
Streaming Protocols Control Applications Working temperature:
AirPlay, DLNA, UPnP, Spotify connect and Qplay 4STREAM for iOS and Android based smart devices
iTunes for MAC and Windows PC
Foobar2000 and other compatible third-party apps



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