About This

Stream your audio wirelessly: add wireless/network streaming capabilities to your passive speakers and active subwoofers. Add the A50+ amplifier to your existing home stereo system and Wi-Fi network, then stream your favorite audio without any compression over Wi-Fi and Airplay.
Powerful HQ sound: The A50+ class d digital amplifier can deliver 50 W per channel at 24 V/4 ohms and 35 W at 24 V/8 ohms. It is coupled with an internal DAC that supports decoding up to 24 bit/192 kHz to deliver high quality sound to your speakers.
Multiroom control: enables multiroom and multi-zone streaming through multiple devices connected to the same network and control with your phone. You can enjoy high-quality music anywhere!
Easy control via app and web: with the 4STREAM app, select your music source and control playback, set EQ, control multi-room/independent playback, select presets, control alarms, Wi-Fi settings, update firmware, and more. Each unit can be controlled directly via a web browser, just enter the IP of the device in the browser. Available for iOS and Android.
Multiple music sources and protocols: Supports Spotify, Tune in, iHeartRadio, XIMALAYA, QQ Music, TIDAL, Napaster, Qobuz, QQFM, etc. And airplay1, Qplay, DLNA, UPnP protocols. Also other audio sources for local music, USB stick, NAS and line inputs.