Get the most out of your audio system; use Harrison Labs components.

Harrison Laboratory’s USA‑designed and manufactured products are an ideal enhancement to your car audio or home audio system and found here at Parts Express. The Harrison Labs FMOD™ inline crossovers operate at line level, which provides a clean alternative to speaker level passive components. Adding Harrison’s line‑level attenuators to your car audio setup helps you fine‑tune your amplifiers and achieve a perfect sound balance.