---
product_id: 538972252
title: "Universal Bass Control Knob, 3.5m/11.48ft Bass Volume Knob with Extension Cable for Car Amplifier"
brand: "ehophna"
price: "€ 35.17"
currency: EUR
in_stock: true
reviews_count: 8
category: "Ehophna"
url: https://www.desertcart.com.cy/products/538972252-universal-bass-control-knob-3-5m-11-48ft-bass-volume
store_origin: CY
region: Cyprus
---

# Power indicator light for instant connection status Pure copper core cable for superior conductivity 3.5m extension cable for flexible placement Universal Bass Control Knob, 3.5m/11.48ft Bass Volume Knob with Extension Cable for Car Amplifier

**Brand:** ehophna
**Price:** € 35.17
**Availability:** ✅ In Stock

## Summary

> 🎵 Take control of your bass, wherever you drive—feel every beat like never before!

## Quick Answers

- **What is this?** Universal Bass Control Knob, 3.5m/11.48ft Bass Volume Knob with Extension Cable for Car Amplifier by ehophna
- **How much does it cost?** € 35.17 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.cy](https://www.desertcart.com.cy/products/538972252-universal-bass-control-knob-3-5m-11-48ft-bass-volume)

## Best For

- ehophna enthusiasts

## Why This Product

- Trusted ehophna brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Seamless Bass Sync:** Eliminates volume mismatch between subwoofer and main board for flawless audio harmony
- • **Lifetime Confidence:** Backed by a lifetime service guarantee—because your bass deserves unwavering support
- • **Premium Build Quality:** Durable insulated PVC wiring with pure copper core guarantees long-lasting, interference-free performance
- • **Extended Reach Control:** 12.7ft cable lets you position the knob exactly where you need it—driver’s seat convenience unlocked
- • **Plug & Play Installation:** 3-pin crystal connector ensures a hassle-free setup—no tech degree required

## Overview

The Universal Bass Control Knob features a 3.5m (12.7ft) extension cable with a pure copper core and insulated PVC wiring, designed to synchronize subwoofer and main amplifier volume seamlessly. Easy to install via a 3-pin crystal connector, it includes a power indicator light and is backed by a lifetime service guarantee, making it an essential upgrade for car audio enthusiasts seeking precise bass control.

## Description

This amplifier bass volume control knob is specially designed to solve the problem of the car audio main control board and subwoofer volume out of sync, so that the music achieves the ultimate effect.

Review: Fits perfectly - Work great, bass hitting way harder now. Thanks.
Review: Doesn’t work has to be brand specific - Doesn’t work with amp has to be specific to the brand. Don’t waste your money. You’re better off with an rca cable knob. With input and output Easy to install. And guaranteed to work.

## Features

- WORKS PERFECTLY - This amplifier bass volume control knob is specially designed to solve the problem of the car audio main control board and subwoofer volume out of sync, so that the music achieves the ultimate effect
- EXTENSION CABLE - The bass control knob connector cable is approximately 12.7 feet. It is usually installed in the free position of the driver to provide easier control of the volume
- EASY to INSTALL - the bass control knob is easy to install and use by plugging the 3-pin crystal connector into the sound interface of the subwoofer and the other end into the bass control knob
- HIGH QUALITY - This amplifier remote control knob adopts pure copper core cable design and high-quality insulated PVC protective wires. Which with power light to indicate the connection
- 100% QUALITY GUARANTEE - All of our products to give a lifetime of service. Any problems or needs, Please feel free to contact us

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0C6DMPS5P |
| Best Sellers Rank | #1 in Car Amplifier Interconnect Cables |
| Customer Reviews | 3.8 3.8 out of 5 stars (576) |
| Date First Available | May 26, 2023 |
| Item Weight | 2.89 ounces |
| Item model number | 1 |
| Manufacturer | EHOPHNA |
| Product Dimensions | 7.36 x 5.75 x 1.26 inches |

## Product Details

- **Brand:** EHOPHNA
- **Color:** Black
- **Compatible Devices:** Amplifier
- **Item Weight:** 0.08 Kilograms
- **Product Dimensions:** 7.36"D x 5.75"W x 1.26"H

## Images

![Universal Bass Control Knob, 3.5m/11.48ft Bass Volume Knob with Extension Cable for Car Amplifier - Image 1](https://m.media-amazon.com/images/I/71qMD3-0uJL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Fits perfectly
*by T***Y on February 16, 2026*

Work great, bass hitting way harder now. Thanks.

### ⭐ Doesn’t work has to be brand specific
*by G***A on February 15, 2026*

Doesn’t work with amp has to be specific to the brand. Don’t waste your money. You’re better off with an rca cable knob. With input and output Easy to install. And guaranteed to work.

### ⭐⭐⭐⭐⭐ Worth your money.
*by A***L on February 6, 2026*

This product is worth it, it works amazing and it sounds good.

## Frequently Bought Together

- Universal Bass Control Knob, 3.5m/11.48ft Bass Volume Knob with Extension Cable for Car Amplifier
- BOSS Audio Systems KIT2 8 Gauge Complete Car Amplifier Installation Wiring Kit with Power Cables, Ground Cables, Turn-On Wire, Speaker Wire, Terminals
- Kicker 46KISLOC2 K-Series Stereo Line-Output Converter w/Remote Turn-On Output

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.com.cy/products/538972252-universal-bass-control-knob-3-5m-11-48ft-bass-volume](https://www.desertcart.com.cy/products/538972252-universal-bass-control-knob-3-5m-11-48ft-bass-volume)

---

*Product available on Desertcart Cyprus*
*Store origin: CY*
*Last updated: 2026-02-26*