1、High Power: The car or home lossless music playback high power amplifier has a maximum power of 40W x 2 to obtain high quality amplified sound. 2、BT Connection: The BT stereo amplifier receiver is compatible with BT, with a wireless range of more than 40 feet and long distance connection. 3、Easy to Pair: It can be used with the latest smart phones, iPads, tablets, iPhones and laptops, etc., without the need for troublesome receiver pairing. 4、Front Control Panel: This home speaker amplifier has front panel buttons and rotating control center, with digital LED display, easy to operate. 5、Application: Equipped with antenna and remote control, used for remote adjustment, very suitable for karaoke, home car cinema sound surround sound system. Item Type: Decoding Power Amplifier Material: Aluminum Alloy Size: Approx. 15.3 x 10.5 x 4.2cm/6.0 x 4.1 x 1.7in Rated Power: 2 x 40W Rated Frequency: 20-20KHz Distortion Rate: 0.01 Signal to Noise Ratio: >80dB Impedance: 4-8 Ohm Power Amplifier Type: HiFi Power Amplifier Interface Type: AUX, RCA, USB Frequency: 87.5MHz-108MHz Frequency Range: 20Hz-20 KHz Remote Control: Infrared Control, Shipped with Built In Battery (Battery Model: Button Battery, CR2520, Capacity: 150mAh)​ 1 x Power Amplifier 1 x Remote Control 1 x English Manual 1 x Line