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JL Audio HD-RLC

Remote level controller for select JL Audio amplifiers

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  • JL Audio HD-RLC

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Our take on the JL Audio HD-RLC

by Gabrielle Thorndyke
JL Audio

The HD-RLC remote level controller works with JL Audio's HD Series and XD Series amplifiers and many marine amps, allowing you to manage your level settings from the front of your vehicle. The HD-RLC adjusts your amplifier's level, not its "bass boost," so you maintain the same bass quality as you turn the volume up and down.

It works equally well with subwoofer and full-range amplifiers, and you can control multiple amplifiers with just one remote by adding standard phone cable splitter (not included). When used with the HD600/4 4-channel amplifier, you can assign it to control all channels, or the rear channels only.

See All Car Amplifiers that work with this item See more info on this item

Highlights:

  • remote level controller for JL Audio HD series amplifiers
  • rear or full-range channel assignment with HD600/4 4-channel amp
  • multi-amp capable (standard phone cable splitter required — not included)
  • warranty: 1 year
  • Our 60-day money-back guarantee

Hands-on research from the Crutchfield Labs (what are the Labs?)

Product Research
What's in the box?

Download owner's manual

  • Remote level control knob with attached 9" cord terminated by a female RJ-11 plug
  • 18' Cord terminated by a male RJ-11 connector on each end
  • 2 Flat washers
  • 2 Nuts

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team — they open the box, verify contents, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

Features

Overview: The JL Audio HD-RLC Remote Level Control is compatible with JL Audio HD and MHD series amplifiers. The HD-RLC attenuates the level of JL Audio HD and MHD amplifiers equipped with a Remote Level Control connector. The HD-RLC can be used as a true subwoofer level control or as a master volume control. Multiple amplifiers can be controlled with one HD-RLC by adding a standard phone cable splitter (sold separately).

Note: The HD-RLC is not compatible with JL Audio amplifiers which feature a Remote Bass Port. In this case you would need the JL Audio RBC-1 controller, sold separately.

 
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JL Audio HD-RLC Reviews

Average Customer Review:

14 people say:

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5 out of 5

JL Audio HD-RLC

Written By Jose B, Simi Valley, CA on Wednesday, June 25, 2014
Crutchfield Customer Review (What's this?)
 
This level controller is great! It's easy to install and looks good.
Pros:
Ease of install
Cons:
None
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5 out of 5

All good

Written By Peczenij, Bethlehem, PA on Thursday, December 19, 2013
Crutchfield Customer Review (What's this?)
 
JL Audio is a premium product, and so it this accessory
Pros:
Works as intended.
Cons:
None
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5 out of 5

Works as intended.

Written By shillydwawgon, Denver, CO on Tuesday, December 17, 2013
Crutchfield Customer Review (What's this?)
 
Replaced a JL 500/5 and this perfectly replaced the RBC-1 control, using the same hole and cable.
Pros:
Remote subwoofer attenuation.
Cons:
A wee bit pricey.
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5 out of 5

JL Audio HD-RLC

Written By Truck, Linden, NJ on Friday, August 30, 2013
Crutchfield Customer Review (What's this?)
 
Great product, having the ability to raise or lower the bass from the simple turn of a knob. Simple install.
Pros:
small, easy install, don't have to go into menu to adjust bass
Cons:
none
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5 out of 5

Amp Knob

Written By Anonymous, Corpus Christi, TX on Wednesday, August 28, 2013
Crutchfield Customer Review (What's this?)
 
Works great. A little pricey but it's nice to be able to turn the bass up or down per song. Very convenient. Plenty of cord. Easy to mount. Great Buy
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4 out of 5

Works as advertised

Written By JepAlan, Midwest on Thursday, July 25, 2013
Crutchfield Customer Review (What's this?)
 
Use this to control bass level on my XD/600/6. Easy to integrate and works great, but wish it had a beefier feel to it and wish they had other knob choices. Expensive for what it is.
Pros:
Easy to install. Works great.
Cons:
Expensive. Feels "fragile".
1 out of 1 people found this helpful
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5 out of 5

Great Product

Written By jmw, Walkerton, Va on Tuesday, June 04, 2013
Crutchfield Customer Review (What's this?)
 
This item is great to have a quick turn down of volumes. We use this in the boat cabin so we can turn off the music in the cabin but still keep the party going outside. Great product and works simple..
Pros:
Easy to install and works great
Cons:
Need to make sure you know what you want to adjust first as set up wrong levels first.
1 out of 1 people found this helpful
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5 out of 5

HL Audio HD-RLC

Written By Tom G, Reno, NV on Thursday, May 30, 2013
Crutchfield Customer Review (What's this?)
 
I had this controller installed with my HD900/5 amplifier and an Alpine Type R thin mount 10 inch subwoofer. Having the control know allows you to very easily adjust the bass levels as sources - or even songs change. Does exactly what it's supposed to do, and it's compact enough so that it doesn't clutter your dash.
Pros:
Works as described; compact and clean looking
Cons:
None
1 out of 2 people found this helpful
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5 out of 5

JL Audio HD-RLC

Written By Anonymous, wakeeney ks on Thursday, March 07, 2013
Crutchfield Customer Review (What's this?)
 
i like the JL Audio HD-RLC alot because it is very convinent when i take my wife and girls for a drive in my truck because i can turn my amp down in a flash with the turn of a knob
1 out of 1 people found this helpful
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5 out of 5

1998 BMW M3

Written By hjsna, Rockledge, FL on Thursday, August 23, 2012
Crutchfield Customer Review (What's this?)
 
I ordered the JL XD 700/5 amp for my 1998 BMW M3 which I use for my business and ordered this remote switch. It is excellent, I can adjust the bass quickly without messing witht the head unit. It's great when you are listening to different types of music. It mounts stealth by my alarm warning light in the console. Other brands the switch is too big to mount stealth. I highly recommend!!
Pros:
quick install, compact
Cons:
Wish it came free with the amp.
2 out of 3 people found this helpful
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4 out of 5

Great for multiple source users

Written By Phantasia, Boone, NC on Monday, May 07, 2012
Crutchfield Customer Review (What's this?)
 
If you listen to multiple sources, FM, XM, CD, iPhone, it really does come in handy with keeping the levels within a good range. I think you can achieve the same results through the head unit, but its going to require several taps to the screen and distractions from the road as opposed to a quick turn of a little knob that you don't even have to look at.
3 out of 3 people found this helpful
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4 out of 5

Works for me

Written By Jimbobengineer, Prescott, AZ on Monday, February 06, 2012
Crutchfield Customer Review (What's this?)
 
This should have come with the XD600 amp. This knob is meant to be mounted through some fairly thin material. Pull real hard and the knob comes off. There will need to be a small clearance behind the knob to hide the black square part of the unit. It's smaller than 1in x 1in.
Pros:
Works to adjust bass level quickly
Cons:
No surface mount options. The fact this doesn't come standard with a $400 amp is ridiculous.
7 out of 7 people found this helpful
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5 out of 5

You Want It

Written By Heck35, McCurtain County, OK on Tuesday, May 10, 2011
Crutchfield Customer Review (What's this?)
 
I'm not sure this gadget is absolutely necessary, but it certainly makes switching between FM, XM, and the iPod, with their different sound levels, easy. If you're spending hundreds on an amp, a few extra bucks can make it sound twice as good.
1 out of 4 people found this helpful
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5 out of 5

Essential item for me

Written By kontai69, Vacaville, CA on Sunday, April 17, 2011
Crutchfield Customer Review (What's this?)
 
I'm constantly adjusting the subwoofer output on my amp and require this
remote control module to do so. I'm using the factory headnit so I can't control
the sub output any other way (excluding adjusting the amp gain). The control
module is small enough (around 1 cubic inch) so it can fit it tight spaces. I have
it mounted inside the steering column cover of my Honda CR-V for easiest and
quickest access as well as factory look. The control is well made and has a very
smooth feel when turned.
6 out of 6 people found this helpful
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For a more in-depth review and enhanced detailed information on the JL Audio HD-RLC, please visit the Crutchfield website product page (/ISEO-rccbcspd/p_136HDRLC/JL-Audio-HD-RLC.html ).

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