Wireless Amplifier A50

A50 is a WiFi and Bluetooth 5.0 full digital class D multiroom Hi-Fi stereo amplifier that can be applied into your regular audio system to make them wireless enabled. With this all-in-one solution amplifier, with the 4STREAM application, you can play the same music to each room in sync or play different music to different rooms.

50W+50W Power Amplifier

A50 is a 2 Channel stereo amplifier with 50W+50W output power which let you enjoy wonderful quality music. It can be used with 4ohms or 8ohms impedance speakers, perfect to create your home music streaming sound  system.

50+50watt power

Wireless Connection

A50 supports 2.4G WiFi and Bluetooth 5.0 wireless conneciton. It also supports Airplay, DLNA & UPnP protocols. You can easily stream music wirelessly form your mobile, PC or NAS in your local network.

Online Music Services

A50 supports many famous online music services like Sportify, Deezer, Tidal, Amazon Music, Qobuz, Napstar, iHeartradio, Internet Radio and QQ Music. You can easily stream your favorite music from the music service provider you usually use.

lossless aduio

Lossless Audio Format

A50 can decode upto 24bit / 192kHz audio and supports various lossless audio format, including FLAC / MP3 / AAC / AAC+ / ALAC / APE / WAV.

Multiroom / Multizone

With multiple devies in different room, you can easily group them in different group and stream music to the master device which will sync the same music to other devices in the same group.


4Stream Applicaiton

4Stream application is our mobile application for both Android and iOS. You can easily control all the Rakoit devices in your house whether you want to play muisc from your phone or PC, play seperate music in each device or same music for all devices.


DC input: 24V-4.16A
Analog audio input:
  -RCA x1 for analog input
Analog audio output
  -RCA x1 for analog output
USB host: to connect USB pen drive
Ethernet RJ45: for wired LAN cable to connect internet
LED indicators: to show the device status
Reset: short press to reset the WiFi, long press to restore factory setting
IR receiever: for remote control Antennas for WiFi and Bluetooth

Streaming Protocols
AirPlay, DLNA, UPnP, Spotify connect and Qplay

Wireless connection:
  - IEEE 802.11 b/g/n 2.4G
  - Bluetooth 4.2
Wired connection :
  - Ethernet RJ45

Audio Parameters
Music format:
Audio decode: 24bit, 192kHz
Frequency response: 20Hz-20kHz
THD+N: 0.03%, @1kHz 50W+50W 24V-4Ω
Bluetooth distance: 10M
Speaker impedance: 4-8Ω

Control Applications
4STREAM for iOS and Android based smart devices
iTunes for MAC and Windows PC
Foobar2000 and other compatible third-party apps

Music Sources
Online streaming services:
Spotify, Deezer, TuneIn, Tidal, Qobuz, Napster, iHeartRadio, more coming in the near future
Local storage:
Music stored on the mobile device memory, NAS, USB pen drive
Aux input:
RCA for analog input

Speaker Power
2×50-W into a 4-Ω BTL Load at 21 V
2×30-W into a 8-Ω BTL Load at 24 V

Power input: 24V-4.16A DC input
Dimensions: 114.7*107.5*37mm
Weight: 0.5kg
Working temperature: 0~40℃

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