Multi zone Amplifier A50+

A50+ is a home theatre kit.With 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 Home Theatre Kit

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.

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 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.

multiroom system

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.

DSP Tuning software

We have a DSP tuning windows software ACP workbench that can let you tweak audio output effects like 10 bands EQ, input/output gain, noise suppressor, virtual bass and many more.

ODM & OEM Services

We provide ODM & OEM services. We can do white label or rebranding to our products, if you want to change some parts of our product or want to have something totally different, we are also capable to do so.

Compare Table

multiroom amplifier


DC input: 24V-4.16A
Analog audio input:
  -RCA for analog input
  -Optical for digital input
Analog audio output
  -Speaker out for analog output
  -Subwoofer out for active subwoofer
Micro USB: connect PC as USB DAC
USB host: to connect USB pen drive
Ethernet RJ45: for wired LAN cable to connect internet
LED indicators: to show the device status
Mode Button:
Short press to switch input mode,
Press twice to reset WiFi/BT connection,
Press three times to restore factory settings,
Long press to turn off, press again to turn on

IR receiever: for remote control Antennas for WiFi and Bluetooth

Wireless connection:
  - IEEE 802.11 b/g/n 2.4G
  - Bluetooth 5.0
Wired connection :
  - Ethernet RJ45

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

Audio Parameters
Speaker Power
24V 4Ω 50Wx2
24V 8Ω 30Wx2
Frequency response: 20Hz-20kHz
THD+N: 0.03%
Speaker impedance: 4-8Ω
Audio decode: 24bit, 192kHz

Music Sources
Online streaming services:
Spotify, Amazon Music, Deezer, Internet Radio, QQ Music, Napster, Tidal, Qobuz, Tunein, iHeartRadio and more coming in the near ftuture
Local storage:
Music stored on the mobile device memory, NAS, USB pen drive
Aux input: RCA input
Digital input: Optical input

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

Power input: 24V/4.16A DC input
Dimensions: 120*113*37mm
Weight: 0.4kg
Working temperature: 0~40℃

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