30 Amp Alternator Noise Filter

Our passive alternator noise filter was designed to minimize or eliminate in-line noise in motorcycle sound systems. Applications include CD players, MP3 players, amplifiers, mobile phones, CB and FRS/GMRS radios, etc.This super filter uses a specially wound toroid filter for minimal losses and maximum effectiveness.

Simple 3-wire installation, 12 volts- in from the bike's power, 12 volts-out to your accessories, and chassis ground, preferably to the battery's negative terminal.

Supplied with large diameter heat shrink tubing which may be utilized in place of the clear plastic tube shown, if your installation is limited for space.