Feature: 1. 【Professional HiFi】Our amplifier car audio pursuit of sound authenticity, 0.07% low distortion rate, ultra-low noise floor, rich in detail, high degree of reproduction. 2. 【High Power】4Ω rated power per channel 100W, 2-channel bridges rated power up to 300W, easy to promote speakers and subwoofer,enjoy high-quality sounds. 3. 【Better Class AB Amplifiers 】Class AB HiFi amplifier on the sound, reproduction and design line, are better than the class D amplifier performance. 4. 【Multiple conservation】Dual 30A fuse power short circuit conservation, microcomputer temperature control high temperature conservation, the output signal line bad signal short circuit conservation. 5. 【Pure Aluminum Shell】Integration of pure aluminum heat sink shell, anti-shock and anti-drops, better conservation of the circuit. 6. 【Sturdy and Secure】Reinforced multi-layer PCB board, fine and sturdy parts, more secure and stable, not afraid of any bad road conditions of the bumps and jitters. Specification: Features: 【Professional HiFi】Our amplifier car audio pursuit of sound authenticity, 0.07% low distortion rate, ultra-low noise floor, rich in detail, high degree of reproduction. 【High Power】4Ω rated power per channel 100W, 2-channel bridges rated power up to 300W, easy to promote speakers and subwoofer,enjoy high-quality sounds. 【Better Class AB Amplifiers 】Class AB HiFi amplifier on the sound, reproduction and design line, are better than the class D amplifier performance. 【Multiple conservation】Dual 30A fuse power short circuit conservation, microcomputer temperature control high temperature conservation, the output signal line bad signal short circuit conservation. 【Pure Aluminum Shell】Integration of pure aluminum heat sink shell, anti-shock and anti-drops, better conservation of the circuit. 【Sturdy and Secure】Reinforced multi-layer PCB board, fine and sturdy parts, more secure and stable, not afraid of any bad road conditions of the bumps and jitters. Specifications: Color: Black Material: Aluminum Alloy Power output 4Ω: 110W*4 Bridges power 4Ω: 200W*2 Distortion rate：0.07% Signal-to-noise ratio: 90dB Output voltage: 0.25V-6.0V Applicable frequency: 50Hz-300Hz Frequency response range: 20Hz-20KHz Item Size: 320 * 220 * 50mm / 12.6 * 8.6 * 1.9in Item Weight: 2kg / 70.5oz Package Size: 425 * 285 * 80mm / 16.7 * 11.2 * 3.1in Package Weight: 2.3kg / 81.1oz Packing List: 1 * Amplifier car audio 1 * Fuse 4 * Screws 1 * User Manual Package List: 1 * Amplifier car audio 1 * Fuse 4 * Screws 1 * User Manual