Jeanoko Noise High Performance Audio Filter for Car Stereo Ideal for Music Enthusiasts Copper Material

["[ELIMINATE UNWANTED NOISE] Eliminates unwanted noise and hum without altering car audio . Perfect for quieting down any pedalboard or effects setup.","[HIGH PERFORMANCE] Provides high output current, low harmonic distortion, and cross for secure operation. Preserves the natural attack and envelope of an instrument's sound.","[ENHANCED RADIO SIGNAL] Enhances the radio signal and reduces noise. Copper signal wire with strong anti-interference for better sound quality.","[UNIQUE DESIGN] Unique noise detection circuit preserves the natural sound. Eliminates ground loop buzzing noise between an audio source and an amplifier.","[SAFE OPERATION] Covered by copper material for high temperature and melting resistance. Prevents short circuits and ensures safety in your car."]