WiFi&Bluetooth 5.0 Home Audio Amplifier with 50+50W 21V DC/2.0 Stereo Channel&Mono,multizone Streaming Amplifier Board with Airplay,Spotify Connect for DIY Speakers Board- Up2stream Amp V4

Features: 【WIRELESS STEREO&Multiroom Control】:Add wireless/network streaming capability to your current speakers, home amplifiers ,home stereo or receiver.Set multiple Arylic devices connected on the same network, then you can start to stream your audio by a smart phone or a tablet. Through our 4stream app you can control to play the different audio or same sound simultaneously on each devices. 【STABLE STREAMING AND HIGH SOUND QUALITY】: Supports playback of lossless music files-MP3, APE, FLAC, WAV with Hi-Res audio.When streaming wirelessly, Bluetooth can reach up to 30 meters. With stream music over the network, Wifi can reach anywhere the signal covers. And free iOS and Android app: 4stream 【Multiple Music Sources & Protocols】: Supports Spotify, Tune in, iHeartRadio, XIMALAYA, QQ Music, TIDAL, Napaster, Qobuz, QQFM, Deezer etc. And airplay1, Qplay, DLNA, UPnP protocols. Also Other audio sources for local music, USB flash drive, NAS and line inputs. 【Application】: Advanced ci