It is suitable for stereo sound in car radios on Android systems. It is easy to install and does not need to be disconnected. Low distortion, 80Wx4 high-power driver (maximum power output 160W x4), improving the original audio quality of the machine. HiFi-level chip matching brings clear and pleasant high-quality music. The aluminum shell has good heat dissipation and a fine metallic touch. EQ sound effect adjustment supports sound effects such as , rock, and classical music, satisfying your music enjoyment. Dc input: 12V-18V 3A Jack input: 1/8 inch (standard stereo jack) Input channels: 4 channels Signal-to-noise ratio: 95dB Rated RMS power: Less than 0.1% at 1KHZ Speaker impedance: 4-8 ohms Voltage: 12V Output power: 80Wx4 EQ adjustment: Supported Sensitivity: 0.25mv-50mv Input impedance: 47K Frequency response: 20Hz-20KHz Dimensions: 14.5x9.5x4.5cm Weight: Approximately 640g Purpose: Car audio modification and upgrade Color: Black Material: Aluminum Alloy Package Contents: 1 * car power amplifier 1 * connecting cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.