1.This audio filter is specially designed for car radios,enhance the radio signal and reduce the noise, without altering the natural tone of your music,make the sound effect is better.
2.The material of car noise filter is plastic and brass, The brass wire is anti-interference, improved overall audio quality, the filters are capable of delivering high output current, low harmonic distortion and cross, ensure security operation.
3.Do not attempt to connect the noise suppressor to the speaker cables. This noise suppressor is designed for AUDlO SIGNALS only.