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Remote subwoofer level control

58 Reviews | 5 questions - 13 answers

Item # 500RUXKNOB

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Our take on the Alpine RUX-KNOB

Alpine Authorized Online Dealer

The RUX-KNOB remote level controller works with Alpine's mono subwoofer amplifiers so you can manage your bass level from the front of your vehicle. The RUX-KNOB adjusts your amp's level from its set maximum volume all the way down to virtually "off." Since it adjusts level and not "bass boost," you'll maintain the same bass tone as you turn the volume up and down. You can control multiple amplifiers with a single remote by adding a standard phone cable splitter (not included).

I like this product. Changing the bass level is much cleaner and much easier than having to stop my vehicle and manually change the settings in the amp. I'm happy the installation hardware was included.

Lance, Phoenix, AZ

What's in the Box:

  • Wired remote bass level control knob
  • 16' Connection cable (with a RJ-25 connector on each end)
  • 4 Mounting screws

Product Highlights:

  • remote level controller for Alpine PDX, MRV, and MRX Series subwoofer amplifiers
  • adjusts gain from 0 to -12 dB
  • for use with Alpine mono subwoofer amplifiers
  • multi-amp capable (standard phone cable splitter required — not included)
  • 16' connection cable
  • warranty: 1 year
  • Our 60-day money-back guarantee

Alpine RUX-KNOB Reviews

Average Customer Review(s):

(58 Reviews)
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Hands-on research

Product Research


Overview: Simply add the Alpine RUX-KNOB wired-remote bass-level control-knob to your compatible PDX series or MRX series Alpine amplifier and get full control from the front of your vehicle for remote bass adjustments. You also have the ability to control multiple amps from just one controller with simple telephone cord adapters (sold separately).

Compatibility: The RUX-KNOB is specifically designed as the controller for use with any of the following Alpine Amplifiers (as of August 2012):

  • PDX Series: PDX-M12, PDX-M6, PDX-V9
  • MRX Series: MRX-M55, MRX-M110, MRX-M240, MRX-M50, MRX-M100, MRX-M200, MRX-V60, MRX-V70

Rotary Dial: The Alpine RUX-KNOB is equipped with a rotary knob (0-12 dB) for adjustment of your connected amplifier's bass level.

RJ-25 Connector: The RUX-KNOB includes a 16' RJ-25 cable which connects between the wired-remote knob and your compatible Alpine amplifier.

Mounting: The RUX-KNOB features two integrated mounting brackets and includes four mounting screws to mount the knob under or on your dash.

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Q & A

Customer Q&A

Crutchfield asked  
Why did you buy this?

To lower and raise bass levels easier [ Candace  Jun 04, 2017 ]
Who doesn't need a bass knob? Now where to hide it so that my passengers can't reach it? [ Barrett  Jun 03, 2017 ]
It goes with the amp I'm using [ robert  May 31, 2017 ]
Bought a Alpine MRV-M500 amp [ David  May 24, 2017 ]
To use with an Alpine MRV-M500 power amp. [ Charles  May 15, 2017 ]
I wanted to manually control the bass of the subwoofer [ Chase  May 13, 2017 ]
For use with subs [ Robert  May 12, 2017 ]
Gives control of the amp so can back it way down on Quiet days, family trips, or all the way up for solo trips and thumper times with out fiddling with radio all the time. Simple control. [ Jeff  Apr 24, 2017 ]
Saw an outlet on the back of my amp that I installed today, and looked for remote. [ Sharon  Apr 08, 2017 ]
Purchased an amazing amp and need the flexibily to control the bass! [ scott  Mar 21, 2017 ]
I chose this so I can control the base of my subwoofer [ Michelle  Feb 02, 2017 ]
it came free. much more useful than I thought it would be. [ geoffrey  Jan 27, 2017 ]
Sometimes I like a little more or less base depending on the music that is playing or even if I have a headache at the time or whatever the case may be! My older head unit doesn't have this extensive of a capability so the RUX-KNOB was a perfect recommendation by Chuck! [ Daniel  Jan 25, 2017 ]
nice addition to my system. makes it more custom [ JAMES D  Dec 30, 2016 ]
I already have the Alpine MRV-M500 and need the recommended "unused" rux-knob that is compatible for my amp. Crutchfield has the quality items I need. [ Joe  Nov 02, 2016 ]
Convenient [ Gene  Oct 15, 2016 ]
Cause I need it [ Brent  Oct 03, 2016 ]
Item was included with the Alpine amp. While my installation does not need this item, it may come in handy down the road. Since it was free, I don't look a gift horse in the mouth....... [ VIRGIL  Oct 02, 2016 ]
To raise the base from the front of my car [ Rogelio  Sep 26, 2016 ]
I listen to many types of music and from different sources. I would like to be able to adjust the bass level depending preference. [ Barry  Sep 24, 2016 ]
I thought the (amp I ordered yesterday) Alpine MRV-M500 came with this knob, but after researching more I discovered it did not. I ordered this today upon this discovery, as I really enjoy having this control at my fingertips. [ Travis  Sep 05, 2016 ]
adjust bass for different types of music [ Hans  Aug 10, 2016 ]
I was not too happy with this one, very limited range. In theory it should be a way to set the gain and raise or lower it to match your desired output. In real life using it with a mono amp for my subwoofer the last 2 thirds of the rotation did nothing. The only way I could see it function like expected would be to set your amps gain much higher then I ever would. Maybe I expected too much, maybe it offered too little, just seems a subpar offering from Alpine. [ Rob  Aug 10, 2016 ]
to control sub-woofer volume from front of car [ Gregory  Jul 17, 2016 ]
Needed change of Bass from up front on the car. [ Craig  Jun 21, 2016 ]
Needed remote control of sub-woofer level. Works as advertised! [ Michael  May 18, 2016 ]
I want to be able to control the sound from the front seat. [ Levi  Apr 23, 2016 ]
Wanted control of bass [ Mike  Mar 18, 2016 ]
like to be able to adjust my amp [ SHAWN C  Feb 07, 2016 ]
Seems very convenient to be able to adjust the bass level without needing to have direct access to my amp, especially considering I listen to a wide variety of music, where one bass level for one genre might be too overpowering for another genre [ Chaz  Feb 03, 2016 ]
Simple concept and easy to install. I mounted it INSIDE the center console directly beneath the arm rest. The screws that came with it were perfect. [ Bryan  Jan 28, 2016 ]
to protect speaker from being hit with too much power. Factory equalizer allows too much power to the speaker. [ Stanley  Jan 02, 2016 ]
Required to control Alpine SWS-12D2 subwoofer volume. [ John  Dec 30, 2015 ]
Every song has different bass characteristics. This seems even more pronounced in a mobile environment, so a simple way to adjust the bass level while driving your vehicle is highly convenient and a definite safety feature. A must, really. [ Robert  Dec 28, 2015 ]
Because, baby. Gotta be able to turn it down when riding with the family. [ Rhett  Dec 14, 2015 ]
works with my amp like a it should [ johnathan  Dec 11, 2015 ]
They seemed to be the right ones for my car. I think they will all really enhance my cars sound. [ PHILIP  Dec 06, 2015 ]
Because why not!!! :) BASSSSSS [ Brett  Dec 05, 2015 ]
So I could have some control (from the front seat) over the bass that the amp will be putting out. [ William  Dec 04, 2015 ]

5 questions already asked

The Alpine RUX-KNOB adjusts the bass level independently from the Bass EQ on your PDR-V75 amplifier. So regardless of how you have the Bass EQ set on the amp, you can still use the RUX-KNOB to adjust the output of the subwoofer. If you would like to discuss further, feel free to contact an Advisor directly by phone (1-800-324-9695) or online chat. Hope that helps! [ Larry  Mar 30, 2017 ]  Staff
The RUX-KNOB is only compatible with Alpine PDX, MRV, and MRX Series subwoofer amplifiers. We do have some remotes that work with select JL Audio amps and you can find them on our website here: (just select JL Audio under "Brand" using the filters to the left of the page) If you have any other questions, feel free to speak with an expert Advisor via the "Contact Us" link at the top of our site. I hope that helps! My Bio: [ Larry  May 20, 2016 ]  Staff
I have had mine for quite awhile now and it is still really sturdy and responsive, the design of the knob does not look like it would be able to "Free Spin". [ Matt  Mar 31, 2016 ]
I had it since June of 2014 and haven't had any issues [ Jamal  Mar 31, 2016 ]
I have not had any issues with this knob at all. I only use it when I entering a neighborhood or other areas where I want to limit my sub. [ Chris  Mar 31, 2016 ]
A spinning knob may be simply a loose set screw. I haven't had that problem. My experience is that this adjustment makes only small changes to the sound. Not as useful as I expected. [ Lloyd  Mar 31, 2016 ]
J, ive had mine well over a year while constantly constantly adjusting it with no issues whatsoever. I dont know how i would have survived without it. Im planning on buying another Alpine amp, i hope i can run a splitter to control them simultaneously. Art [ Arthur  Mar 30, 2016 ]
I've had the product for about a year and a half now, and use it several times a week to make small adjustments to the bass in my truck. It is still precise and accurate after a good amount of use. [ Jaden  Mar 30, 2016 ]
Am coming up on two years and haven't had a bit of trouble. Bought it because my wife can't tolerate base notes because of a dental implant. I can turn the base off and on depending if she is in the car with me. So the knob has had a lot of use and still working as new. Am well pleased with it. [ JOHN R  Mar 30, 2016 ]
You need to access the subwoofer volume control on the head unit and turn it up about 3/4 to max. This will give the RUX-KNOB a larger operating range. I have installed several and had to do this each time. Good luck! [ BARRY  Jan 05, 2015 ]
I have the same setup and I didn't experience this problem. Where do you have the gain set on the amp itself? Maybe that's your problem just tweak with the settings on the amp. [ JOHN K  Jan 05, 2015 ]
The RUX-KNOB only acts like amp gain and can only go as high as the amp is set. The knob only realy turns down the amp. I suggest turning the amp gain up a little higher after installing knob. [ PAUL  Jan 05, 2015 ]