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Universal Bass Control Knob for Car Amplifier with 4 PIN Extension Cable 5M/16FT, Audio Bass Volume Knob Power Indicator.

  • Based on 18 reviews
Condition: New
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Availability: In Stock.
Fulfilled by Amazon

Arrives Friday, Aug 22
Order within 8 hours and 33 minutes
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Features

  • PRECISION BASS CONTROL - This amplifier bass control knob is designed to solve the issue of unsynchronized volume between your car stereo and subwoofer, delivering the ultimate music experience with perfect bass adjustment.
  • 4 PIN EXTENSION CABLE - The extra-long 5M/16FT cable allows you to connect the knob from your car trunk to the driver's seat, providing convenient control over your subwoofer's volume.
  • EASY INSTALLATION -Simply plug the 4-pin crystal connector into your subwoofer's audio interface and connect the other end to the bass control knob. The built-in power indicator shows the connection status for hassle-free setup.
  • HIGH-QUALITY MATERIALS - Featuring a pure copper core cable and high-quality insulated PVC protective coating, this bass control knob ensures durability and reliable performance.
  • AFTER-SALES SERVICE - If you encounter any issues such as missing parts or a non-functional indicator, contact us immediately for a replacement or solution.We stand by our products with a full quality guarantee.

Manufacturer: NAPHYLAIFA


Mounting Type: Freestanding


Brand: NAPHYLAIFA


Number of Channels: 1


Package Dimensions ‏ : ‎ 8.46 x 3.5 x 1.81 inches; 3.21 ounces


Item model number ‏ : ‎ bass control knob for amplifier-5M


Date First Available ‏ : ‎ February 27, 2025


Manufacturer ‏ : ‎ NAPHYLAIFA


Country of Origin ‏ : ‎ China


Best Sellers Rank: #2 in Car Amplifier Interconnect Cables


Customer Reviews: 3.0 3.0 out of 5 stars 18 ratings


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Friday, Aug 22

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Leasing options through Acima may also be available during checkout.

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Top Amazon Reviews


  • Does not work with Memphis or Rockford amps
Did not work with 3 different amplifiers with 4 wire control. Memphis,or Rockford, disappointed,. Will keep it it works in future but not planning on it.
Reviewed in the United States on July 1, 2025 by Shannon van

  • Works!
This works just like we needed it to. It tied in to the existing writing and stuff just fine and there was plenty of length (I don't know the specifics, but husband says it's great and it didn't take him very long at all to hook everything up / install it). Now the only thing left is to decide how and where to mount it! ... show more
Reviewed in the United States on May 14, 2025 by Stampin.Hannah

  • To bass or not to bass
Make sure it's compatible with your amp
Reviewed in the United States on June 21, 2025 by ken

  • Doesn’t work with Memphis amps.
Does it work like said it does
Reviewed in the United States on June 3, 2025 by Rodney D.

  • WOW
This universal bass control knob offers a convenient and affordable way to add external bass adjustment to your car audio system. The inclusion of a 5m/16ft extension cable is a significant plus, providing ample reach for flexible placement within the vehicle's cabin. The power indicator is a nice touch, clearly showing whether the device is active ... show more
Reviewed in the United States on April 30, 2025 by Cindy Lane

  • NOT UNIVERSAL
Didn't work with my kicker 300 amp. Plugged in and power light were on. No change in bass when knob was turned
Reviewed in the United States on April 10, 2025 by Tyler lee renken

  • Great sound
Great for car enthusiasts, works well, good build quality, easy volume control.
Reviewed in the United States on May 2, 2025 by Bella Roberts

  • Bad
Plugged it in now my subs don’t work at all
Reviewed in the United States on May 8, 2025 by Dakota Rodriguez

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