---
product_id: 85618184
title: "Rockwood Bass Kontroll CA-503 - Charcoal Woofer Controller with RCA Connectivity for Car Audio Systems"
brand: "inconnu"
price: "¥6428"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/85618184-rockwood-bass-kontroll-ca-503-charcoal-woofer-controller-with-rca
store_origin: JP
region: Japan
---

# 12dB input sensitivity range Gold-plated RCA connectivity Precise frequency control 40-150Hz Rockwood Bass Kontroll CA-503 - Charcoal Woofer Controller with RCA Connectivity for Car Audio Systems

**Brand:** inconnu
**Price:** ¥6428
**Availability:** ✅ In Stock

## Summary

> 🎵 Command Your Car’s Bass Like a Pro

## Quick Answers

- **What is this?** Rockwood Bass Kontroll CA-503 - Charcoal Woofer Controller with RCA Connectivity for Car Audio Systems by inconnu
- **How much does it cost?** ¥6428 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/85618184-rockwood-bass-kontroll-ca-503-charcoal-woofer-controller-with-rca)

## Best For

- inconnu enthusiasts

## Why This Product

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

## Key Features

- • **Easy Installation Kit:** Includes fastening straps and screws for hassle-free mounting.
- • **Premium Signal Quality:** Gold-plated RCA inputs and outputs ensure crystal-clear audio transmission.
- • **Universal Compatibility:** Works seamlessly with amplifiers lacking built-in subwoofer filters.
- • **Compact & Durable Design:** Sturdy metal housing fits discreetly in any car audio setup.
- • **Tailor Your Bass Experience:** Adjust separation frequency and input sensitivity for perfect subwoofer integration.

## Overview

The Rockwood Bass Kontroll CA-503 is a compact, metal-housed subwoofer controller designed for car audio systems. It offers adjustable frequency filtering between 40Hz and 150Hz and an input sensitivity range of 12dB to 0dB, with gold-plated RCA connectors for superior signal quality. Ideal for amplifiers without built-in subwoofer filters, it includes mounting hardware for easy installation.

## Description

Rockwood Bass Kontroll CA-503 - Charcoal Woofer Controller with RCA Connectivity for Car Audio Systems

## Features

- Can be used for amplifiers without built-in subwoofer filter.
- Allows adjustment of separation frequency and input sensitivity Gold RCA plug input and output.
- Input sensitivity 12dB -0dB.
- 40 Hz-150 Hz filter, metal housing.
- Dimensions 55 x 46 x 41 mm

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Compatible devices | Car Stereo, Audio System |
| Unit count | 1.0 count |
| Controller type | Knob Control |
| Surround-sound channel configuration | 2.0 |
| Colour | Gold |
| Included components | Fastening straps, 2 screws |
| Age range (description) | Adult |
| Is waterproof | False |
| Warranty type | Limited |
| Product Dimensions | 8 x 9.8 x 8 cm; 120 g |
| Specific uses | In-car audio systems |
| Batteries required | No |

## Product Details

- **Brand:** Inconnu
- **Frequency response:** 4E+1 Hz
- **Connectivity technology:** RCA
- **Audio output mode:** Stereo
- **Mounting type:** Bracket Mount
- **Material:** Metal
- **Model name:** Bass Kontroll
- **Speaker type:** Woofer
- **Special feature:** Bass Control for Amplifiers without Subwoofer Filter
- **Recommended uses for product:** For car audio systems

## Images

![Rockwood Bass Kontroll CA-503 - Charcoal Woofer Controller with RCA Connectivity for Car Audio Systems - Image 1](https://m.media-amazon.com/images/I/51Q9gyacbML.jpg)

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**Shop now:** [https://www.desertcart.jp/products/85618184-rockwood-bass-kontroll-ca-503-charcoal-woofer-controller-with-rca](https://www.desertcart.jp/products/85618184-rockwood-bass-kontroll-ca-503-charcoal-woofer-controller-with-rca)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-05-20*