Specifications: Material:Aluminum Alloy; Color:Black; Dimension:20 x 17 x 5.5cm/7.9 x 6.7 x 2.2inch; DC input:DC 12V; AC input:AC 110V-240V; Signal to noise ratio:85dB; Distortion rate:0.05%; Speaker impedance:4-8Ω; Features: This stereo power amplifier is suitable for home, stage audio, and other scenes. USB, SD player, plug and play, you can play. Intimate design, favorite songs, singles, specially designed for friends who like music. High-performance technology, low noise and low DC, just like a concert scene. With the remote control, more convenient. The main volume, treble adjustment, and bass adjustment are all adjusted by analog components to upgrade the mini mixer, allowing you to play the world of music and give you real HIFI sound effects. Wireless Bluetooth, easy to connect smartphones, tablets and other Bluetooth devices, USB interface, that is, broadcast and use, and enjoy high-quality music. Notes: Manual measuring, please allow 1 ~ 3mm error, thank you. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the picture. Package Included: 1 x Stereo Amplifier; 1 x Remote Control; 1 x Power Cable; 1 x User Manual