< p> Do you want an amplifier to feed your speakers on terrace, sauna, bathroom or carage? Or more powerfull amplifier for your computer speakers? Or build a simple sound system to bedroom, kids room, student flat or poerhaps your home gym at the basement? Ai-Sonic BT-A230 is a perfect solution if you want to listen music wirelessly via Bluetooth. Small physical size makes it easy to install virtually anywhere. Other source is USB. You can connect flash drive to USB and switch songs with remote included. Remote need sight to amp, it works with IR. The best feature is Bluetooth 5.0 that gives you freedom to listen your music wirelessly from allmost any mobile devices. Power of this amp is enough to play any regular speakers even with loud volumes. You also can play loud, since output is allway distortion free! Amplifier reduces level automatically when signal is in danger to get distorted. Automatic control also reduces level when amplifier gets too hot. Speaker outputs have short cut protection. If speaker cables are harmed, protection circuit shuts outputs instantly. If you want even more power, you can bridge this amp and get more juice out of it ( minimum impedance 8 Ohms when bridged ). Bluetooth range is normally 20 metres in open space.< /p>