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Hertz HRC Wired bass level remote control for Hertz HCP amplifiers

Item # 301HRC

8 questions - 8 answers

Item # 301HRC

Low stock

About the Hertz HRC

Buck Pomerantz

Tweak the bass volume

Hertz' HRC wired remote control gives you the ability to control your sub's volume from the driver's seat. Works with Hertz HCP 1D, HCP 1DK, and HCP 5D amplifiers.

Product highlights:

  • Hertz Remote Control knob
  • for Herz HCP subwoofer amps
  • -50 to +6 dB adjustment range:
  • warranty: 1 year
  • MFR # HRC

What's in the box:

  • HRC Sub volume remote control
  • 19.5' Cable (RJ-14 modular plug on one end and bare wire on other end)

Customer reviews for Hertz HRC

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4.5 out of 5 stars
2 reviews

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More details on the Hertz HRC

Mark G.

Product Research


Overview: The Hertz Sub Volume Remote Control (HRC) allows you to control the output volume of your subwoofer amplifier from the driver's seat. The module mounts under the dash, or on your console, and features a rotary control knob for dialing in the right amount of bass for your music. It is compatible with Hertz Compact Power (HCP) series mono amplifiers (HCP 1D, HCP 1DK) and the HCP 5D 5-channel amp.

Control Range: The HRC has a detent at the center of the control at 0dB to mark the amplifier's set output. From there, you can turn the amplifier up to +6dB or attenuate the volume down to -50dB.

Connections: The 19.5' cable has an RJ-14 modular phone plug on the controller end. The other end is two bare wires. The Hertz amplifiers have removable Euroblock connectors with screw connections for the bare wires.


  • Width: 1.573" (2.209 including flange)
  • Height: 0.96:
  • Depth: 1.581" (1.94" including knob)
  • Cable Length: 19.5 feet

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Customer Q&A

8 questions already asked

Wires out of bass hertz bass knob red green black yellow which ones go together had to shorten wire?
ryan  May 03, 2023
1 answer
Thank you for your question, Ryan. If you purchased the product from Crutchfield, feel free to contact our Tech Support team. They can walk you through the wiring of this product. Our toll-free Tech Support number is printed on your invoice and is also available under the "My Orders" tab in the "My Account" section of our website. If you did not purchase the unit from Crutchfield, then you may want to contact the manufacturer.
andrea  May 03, 2023 (Staff)
Will this work on a JBL BASSPROSL?
michael  Jan 06, 2021
1 answer
This remote is for Hertz HCP 1D, HCP 1DK, and HCP 5D amplifiers only.
thomas  Jan 21, 2021 (Staff)
Will this work on a JBL BASSPROSL?
michael  Jan 06, 2021
1 answer
Yes as long as it has the phone jack connection
dustin  Jan 07, 2021
Do you sell just the wires for the back of this bass remote? cheers
ryan  May 02, 2020
1 answer
Hi Ryan. You will need to contact the manufacturer if you are needing to obtain parts for this remote. You may find contact info at their website:
jessica  May 24, 2020 (Staff)
I need to know if this lnob will work with the Hertz 3001 mobo amplifier?
patrick  Dec 13, 2019
1 answer
You didn't specify which series amp it is that you have, but if your amp has a 2 wire hookup for the remote lead instead of a plug, it should work.
ryan  Dec 13, 2019
Will one bass knob control 2 amps if they are strapped?
matthew  Sep 12, 2019
1 answer
Hi Matthew, thank you for your question. You would need to use 2 of the Hertz HRC remotes in order to control 2 amps. The RCA outputs on the Hertz amp's that allow you to connect a second amp, are only allowing signal pass-through. That connection will not allow for full control of both amplifiers, by using one remote. To go over your current setup, and find the gear that would work the best for you, feel free to chat with an Advisor online or by phone at 1-800-324-9695. They will be happy to answer any questions you may have.
jessica  Sep 23, 2019 (Staff)
Can I achieve the same results using a rheostat?
sidney  Apr 26, 2019
1 answer
Unfortunately, I have not used a rheostat for this purpose, but the HRC is perfectly engineered to work with the Hertz amplifier and was a very simple installation. Hardest part was finding an accessible yet stealth location.
roger a  Apr 30, 2019

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