Features: 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. AC110-240V / DC 12V working voltage suit many places: beside used in home desktop audio system, it also can be used in your car, your boat, your RV, your golf cart— anywhere you need a great amplifier with low distortion and acoustically accurate reproduction of music. Perfect design with powerful function: with volume knob, treble and bass control, easy to get more delicate sound. Designed LED display to clearly show the working status in real time, and euipped with remote control, much easier to use, very suitable for indoor and outdoor audio system use. Specifications: Audio input: Bluetooth/USB/stereo RCA/3.5mm AUX/TF Card/FM Radio Audio output: raw cable speaker jacks Bluetooth version: 5.0 Working voltage: AC 110-240V / DC 12V Rated power: 30W + 30W Frequency response: 20Hz-20KHz Resolution: 47K Speaker impedance: 4-16 ohm THD: 0.5 %(1KHz 1W) SNR: 85dB Dimensions(W*D*H): 190*125*45mm / 7.48*4.92*1.77in Net weight: 450g / 0.99lb Package weight: 585g / 1.29lb Package Included: 1x AK35 Amplifier 1x Remote Control (Battery included) 1x Power Cord 1x User Manual