Arylic S10 Smart Wifi BT Multiroom Preamplifier Make your existing amplifier into part of your Multiroom setup with the S10. Or simply use it to turn an active speaker or amplifier into a wifi bluetooth player. Use the 4STREAM or MUZO Apps to control the system. The App supports, Spotify,Pandora, iHeart Radio, Internet Radio, Tidal, Amazon Music, tunein, qobuz, napster, deezer and panadora. Specifications: Wireless network IEEE802.11 b/g/n 2.4G LAN Single 10/100M RJ45 Bluetooth 5.0 USB Host Play USB music Bluetooth Distance 15M Power Input DC 15V/4A Audio Input 3.5mm Line in Frequency respons