Multiple audio inputs: besides Bluetooth5.0/stereo RCA/3.5mm AUX inputs, that can be compatible with ipad, cellphone, MP3 player, CD player, dataplay, computer, decoder, etc. Also with USB(U-disk)/TF Card/FM radio inputs, can be used as a music player and a radio, easy to enjoy high-qaulity music at home or on the road. Rated 30W+30W output power: supporst speakers with 4-16 ohm impedance, has a good match with most home & car & boat speakers, can give your entertainment system a boost, with unrivaled sound superiority and lets you enjoy high quality amplified audio.