JL Audio HD-RLC Amplifier Remote Level Control and Cable T-Shirt Patented "concentric tube" architecture

Patented "concentric tube" architecture

The aim was to develop a speaker that works perfectly in BMW under-seat and Mercedes bulkhead applications without any compromises despite the extremely low installation depth of 47 mm

Perfectly tuned component system with optimized frequency response

graphic equalizers to fine tune the output signals

The V-Series of HDSPs bring tuning features and sound quality never before offered in a car DSP

JL Audio HD-RLC Amplifier Remote Level Control and Cable T-Shirt Patented "concentric tube" architectureRemote Level Control for Select JL Audio Amplifiers The HD RLC remotely controls the Bass Level of the following JL Audio amplifiers: HD Series: All models XD Series: All models MHD Series: All models M Series: All models When the HD RLC is connected to the above amplifiers, it acts as an attenuator on the input gain of the amplifier and is used to adjust the overall level of the amplifier from the front of the vehicle. The HD RLC kit includes the