Usage Tips:1.Seamless Integration: Our DAP sound equalizer is designed to integrate seamlessly with your existing car audio system, improving sound quality without complicated installation. Compatible with a wide range of car models and audio setups. 2.Durable and stylish design: Our DAP sound equalizer is durable and features a stylish and modern design that complements any car interior. The rugged construction ensures reliable performance even in the harshest driving conditions. 3.Non-destructive installation: Easy to install without damaging your car's audio player, ensuring a seamless upgrade. 4.Compact and easy to install: The small plug-and-play design fits perfectly with the 16PIN power cable in the Android car system, making installation a breeze. 5.HIFI sound quality: Provides superior high-fidelity sound for an immersive audio experience. High-fidelity DAP chip: Equipped with a high-fidelity DAP chip, ensuring excellent sound quality and performance. Convenient adjustment knob: Features low, medium and high adjustment knobs for easy and precise adjustment of the driver's sound. Operating voltage: 9-16V Memory current: 5Ma Maximum current: 25A Signal-to-noise ratio: Greater than 80dB Standard distortion: 0.1% Frequency response range: 10Hz-20KHz Low pass frequency: 500Hz-20KHz High pass frequency: 10Hz-250Hz 4 high level outputs: 40Ω RMS value: 4x80W Low level output: support Low level input: support Wireless microphone: support Colour:Black Material:ABS Package Contents: 1Pcs x Car Audio Amplifier 1Pcs x Wiring Harness 1Pcs x English instruction manual 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.