JL Audio offers a complete line of signal processors designed to improve the quality of your audio experience.


JL Audio FiX™ line of OEM Integration DSPs is incredibly advanced, and fully armed to deal with the challenges presented by modern factory audio systems, without interfering with vehicle functionality, safety or reliability.

Whether you’re an audio beginner, passionate enthusiast or dedicated audiophile, JL Audio's TwK™ System Tuning DSPs deliver exceptional system tuning functionality, precision, and flexibility right in your hands.

System Expansion products are designed to expand the functionality of any aftermarket system. The CL-RLC provides level control capabilities (CL-RLC).

Calibration CD's, replacement knobs and harnesses for JL Audio OEM Integration products.