15 AMP In-Line Noise Filter Hum and Engine Noise Suppressor for Car Audio

Product details

This type of device is used to eliminate unwanted electrical noise from a car's audio system. For Filtering 12 Volt Car Audio Products That Have Induced Noise From Alternators And Other Ignition Sources.

• In-Line Noise Filter 15 Amp
• Use to eliminate noise that increases and decreases with engine speed.

(RED Wire)+12v IN [noise filter] (BLUE wire) to +12v for car radio or CB (Black) Ground to radio support.

Function: It is designed to suppress or filter out noise, such as alternator whine or engine noise, that can be introduced into the audio system through the vehicle's electrical power supply. This results in a cleaner, clearer sound from the speakers. 
Installation: The device is installed "in-line" on the power wire of a car stereo or amplifier. The red wire connects to the positive power source, and the black wire connects to the ground and the blue wire connects to the stereo or CB. 

Specifications: Noise filters come in different amperage ratings, such as 10-amp or 15-amp, to match the current draw of the audio equipment. The the Nf-10 filter is a 15-amp version.