

JL Audio HD-RLC Remote Bass Level Control for HD XD MHD M Series Amps Amplifiers
Couldn't Load Pickup availability
The JL Audio HD-RLC is a remote level control for select JL Audio amplifiers, letting you adjust the bass level from the front of the vehicle without touching the amplifier. It works with all HD, XD and MHD Series amplifiers and selected M Series models.
It is listed as an optional remote for the HD600/4, HD750/1 and HD900/5 amplifiers.
Key specifications
- Function: remote attenuator on the amplifier input gain
- Compatible: all HD, XD and MHD Series amplifiers
- M Series: M600/1, M200/2, M500/3, M400/4, M700/5, M600/6
- Control: rotary, black ABS knob
- Cable: 18 ft (5.5 m)
- Mounting hardware: included
HD-RLC Amplifier Remote Level Control and Cable for Select JL Audio Amplifiers
A simple, clean way to adjust your subwoofer level from the front of the vehicle without touching the amplifier.
The HD-RLC remotely controls the bass level of the following JL Audio amplifiers: HD, XD, MHD, and M Series.
When connected, the HD-RLC acts as an attenuator on the amplifier's input gain, letting you fine-tune the overall output level from your seat.
What's in the Box
- Rotary control with black ABS knob
- Mounting hardware
- One 18 ft. (5.5 m) cable
Explore the full range in JL Audio Accessories.
Specification
| HD-Series | All models |
|---|---|
| XD-Series | All models |
| MHD-Series | All models |
| M-Series | M600/1, M200/2, M500/3, M400/4, M700/5, M600/6 |
What's Included
- HD-RLC
- Mounting Hardware
- 18 ft. (5.5 m) cable
JL Audio
About the JL Audio HD-RLC
From our tech experts at CEN
A remote bass level control for JL Audio amplifiers, bringing subwoofer level to the driving seat.
Who it suits
Anyone whose amplifier lives in the boot and who adjusts bass between music, or wants more on a motorway run and less around town.
Our tech experts advise
These are matched to particular amplifier series, so check yours is supported before ordering. get in touch. See car audio installation.
Explore the full JL Audio range at CEN, with fast UK dispatch and expert advice from our Nottingham team. Shop all JL Audio
Recommended For You
Discover more top-rated gear, handpicked to go with what you're viewing
Looking for Installation?
At CEN we take pride in being able to share the quality of our work as well as being able to show what incredible products we have installed week on week.



Frequently Asked Questions
Q: Which JL Audio amplifiers work with the HD-RLC?
A: All HD, XD and MHD Series amplifiers, plus the M Series M600/1, M200/2, M500/3, M400/4, M700/5 and M600/6.
Q: What does the HD-RLC actually control?
A: It acts as an attenuator on the amplifier's input gain, so you can fine-tune the bass or overall output level from the driver's seat.
Q: What's in the box with the HD-RLC?
A: The rotary control with black ABS knob, mounting hardware and an 18 ft (5.5 m) cable.









































