Features Specification Features: This is a mini 2.0-channel power amplifier with a backlight LCD display. Supports 40W+40W rated power output which lets you drive 1 pair of speakers. With treble, bass, microphone, and master volume adjustment buttons for easy operation, you can enjoy the music output as you wish. The whole machine is an all-aluminum body, blasting fine sand anodized black, showing the texture. The surface adopts a wiredrawing oxidation process. Can read U disk, plug and play, and support BT wireless connection. Double Mic input, perfect for home or car karaoke system, convenient to use. Small and easy to operate, the audio amplifier can be used at home and easily carried to the car. The remote controller allows you to change audio settings from a distance, making you less tired and more comfortable. Specifications: Power: 40W * 2 Load Impedance: 4-16Ω Signal-to-noise Ratio: 90dB Frequency: 20Hz-20KHz Distortion Rate: 0.01% Remote Control Battery: CR2025, 3V, 150mAh Material: Aluminum alloy Color: Black Item Size: 155 * 85 * 45mm / 6.1 * 3.3 * 1.8in Item Weight: 300g / 10.6oz Package Size: 165 * 135 * 50mm / 6.5 * 5.3 * 2.0in Package Weight: 350g / 12.3 oz Package List: 1 * Power Amplifier 1 * Remote Control Package List 1 * Power Amplifier 1 * Remote Control