Features: It is a mini 2.0 channel power amplifier with backlight digital display screen for car and home use. Supports BT wireless connection, and 3.5mm AUX input. It also can read U disk, plug and play. Double Microphone input, perfect for home or car karaoke system, convenient to use. Left and right channel output, rated power 70W+70W, peak power 700W+700W. It can drive 1 pairs of speakers. Equipped with treble, bass, microphone, and master volume adjustment buttons for easy operation. The remote controller allows you to change audio settings from distance, just use at ease. Specifications: Model: AK-55 Color: Black Sound Channel: 2.0 Rated Power: 70W+70W Peak Power: 700W+700W Input Voltage: AC 110-240V, DC12V Load Impedance: 4-16 SNR: 80dB Frequency: 20Hz-20KHz Input Sensitivity: 150mV-300mV Remote Control Battery: CR2025, 3V, 150mAh Item Size: 20.0*19.0*7.0cm/7.87*7.48*2.75in Item Weight: 797g/28.11oz Package Size: 25.5*22.5*9.7cm/10.04*8.85*3.81in Package Weight: 1024g/36.12oz Package List: 1 * Audio Amplifier 1 * AC Power Cable 1 * Remote Control 1 * User Manual (English)