General description High-quality 2.1 Channel Power Amplifier designed for home use, featuring a digital small desktop design suitable for cars and Bluetooth stereo systems. This amplifier provides a sophisticated look for your car and is easy to install and use. Technical specifications Type: 2.1 Channel Power Amplifier Power amplifier type: HIFI power amplifier Power output: 4000W Voltage: DC 12V Material: Aluminum alloy Dimensions: Measurement allowed error is +/- 1-3cm Compatibility and accessories Supports SD Card, U disk, and MP3 format playback Bluetooth wireless connection Microphone input supported FM stereo radio support Package Contents: 1 * amplifier audio (with adapter) Installation Easy to install with correct connectors, no cutting or splicing required Usage Ideal for HiFi, car, home theater systems, and karaoke Features treble, bass, and volume control for user convenience Remote control function available Low distortion for clearer, stronger, and more powerful sound