1. Core Positioning​ A key upgrade component for in-vehicle audio systems, installed under the center console, trunk, or seat. It amplifies the audio signal output by the original vehicle head unit, improves speaker sound quality (enhances bass thickness and treble clarity), and solves the problems of insufficient power and weak sound field of the original car audio. Compatible with all fuel and new energy vehicles.​ 2. Core Functions​ High Power Output: Supports 4 channels × 50W (total power 200W), peak power up to 400W, compatible with mainstream car speakers (4Ω-8Ω impedance);​ Sound Quality Optimization: Signal-to-noise ratio ≥90dB, supports lossless audio (FLAC/WAV) signal amplification, reduces distortion rate (≤0.1%);​ Multi-Source Compatibility: Adapts to original head unit, Bluetooth, AUX, USB and other audio inputs, automatically matching signal formats;​ Safety Protection: Built-in over-temperature, over-current, short-circuit and speaker protection functions to avoid device burnout or damage.​ 3. Core Advantages​ Significant Sound Quality Improvement: Wider sound field coverage and stronger layering of high and low frequencies compared to original car audio;​ Easy Installation & Adaptation: Compact size (approx. 15×10×5cm), supports non-destructive wiring, directly replaceable with original vehicle amplifier;​ Low-Power Design: Standby power consumption ≤1W, automatically powers off after vehicle shutdown, no battery power consumption;​ Compliance Certification: Certified by CE/FCC/RoHS, meeting EMC (Electromagnetic Compatibility) standards for in-vehicle electronic devices.​ 4. Adaptability​ Vehicles: Covers passenger vehicles (sedans/SUVs/MPVs), commercial vehicles (light trucks/buses);​ Audio Systems: Adapts to original speakers, modified coaxial speakers/component speakers, supporting 1-channel/4-channel/6-channel output options.​ 5. Service Support​ Contact customer service for vehicle adaptation lists and wiring diagrams; free installation and debugging guidance is provided.​