- 2-channel auto high-low converter converts high level car speaker signals to low level line outputs, enabling you to add external amplifiers to your car stereo system without replacing the head unit. - It turns car speaker wires into a clean preamp output, creating a practical bridge between your head unit and external amps. - The device minimizes interference and preserves the clarity and fullness of your music, providing reliable performance for audiophiles. - Designed for auto stereo enthusiasts and professionals who want better sound and system flexibility. - Key benefits: supports integration of external amplifiers, reduces signal loss, and maintains audio integrity across a variety of car audio setups. - Use scenarios: - Add an external amplifier to a factory head unit to improve power and sound quality. - Drive a subwoofer or multi-channel amplifier from a high level signal without replacing the head unit. - Provide a line level feed to an in-car processor or other device requiring a low level input.