---
product_id: 538972252
title: "Universal Bass Control Knob, Bass Volume Knob with Extension Cable for Car Amplifier"
brand: "ehophna"
price: "¥5786"
currency: JPY
in_stock: true
category: "Ehophna"
url: https://www.desertcart.jp/products/538972252-universal-bass-control-knob-bass-volume-knob-with-extension-cable
store_origin: JP
region: Japan
---

# 3-pin crystal connector for seamless plug & play 12.7ft extension cable for flexible placement Pure copper core cable with insulated PVC for durability Universal Bass Control Knob, Bass Volume Knob with Extension Cable for Car Amplifier

**Brand:** ehophna
**Price:** ¥5786
**Availability:** ✅ In Stock

## Summary

> 🎵 Take command of your bass, wherever you drive!

## Quick Answers

- **What is this?** Universal Bass Control Knob, Bass Volume Knob with Extension Cable for Car Amplifier by ehophna
- **How much does it cost?** ¥5786 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/538972252-universal-bass-control-knob-bass-volume-knob-with-extension-cable)

## 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

- • **Plug & Play Simplicity:** Effortless installation with a 3-pin crystal connector—no tech headaches
- • **Confidence in Every Beat:** Backed by a 1-year warranty and lifetime support for peace of mind
- • **Control at Your Fingertips:** Long 12.7-foot extension cable lets you place the knob exactly where you want it
- • **Sync Your Sound Like a Pro:** Eliminates volume mismatch between main control and subwoofer for flawless bass experience
- • **Built to Last, Built for Bass:** High-quality copper core and insulated wiring ensure reliable, noise-free performance

## Overview

The EHOPHNA Universal Bass Control Knob features a 12.7-foot extension cable and a 3-pin crystal connector for easy installation and flexible placement. Designed to perfectly sync your car amplifier’s main control and subwoofer volume, it delivers a powerful, bass-heavy sound profile. Built with pure copper core cables and insulated PVC for durability, this corded electric knob comes with a 1-year warranty and lifetime support, making it a top choice 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.

## 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 |
| Amplifier Type | Solid State |
| Audio Output Mode | Stereo |
| Best Sellers Rank | #1 in Car Amplifier Interconnect Cables |
| Brand | EHOPHNA |
| Built-In Media | 1*Bass Control Knob |
| Color | Black |
| Compatible Devices | Amplifier |
| Connector Type | 6.35mm Jack |
| Customer Reviews | 3.8 3.8 out of 5 stars (745) |
| Enclosure Material | Plastic |
| Item Dimensions D x W x H | 7.36"D x 5.75"W x 1.26"H |
| Item Weight | 0.08 kg |
| Manufacturer | EHOPHNA |
| Mfr Part Number | 1 |
| Model Name | EHOPHNA |
| Model Number | 1 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Output Channel Quantity | 1 |
| Power Source | Corded Electric |
| Sound Profile | Bass-heavy |
| UPC | 720230857662 |
| Unit Count | 1 Count |
| Warranty Description | 1 year |

## Product Details

- **Brand:** EHOPHNA
- **Color:** Black
- **Compatible Devices:** Amplifier
- **Material:** Plastic
- **Product Dimensions:** 7.36"D x 5.75"W x 1.26"H

## Images

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

## Frequently Bought Together

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**Shop now:** [https://www.desertcart.jp/products/538972252-universal-bass-control-knob-bass-volume-knob-with-extension-cable](https://www.desertcart.jp/products/538972252-universal-bass-control-knob-bass-volume-knob-with-extension-cable)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-08-06*