---
product_id: 201159825
title: "XTRONS Car ISO Harness Adapter Cable with High to Low Impedance Connector | Android Auto Car Stereo Radio Player compatible with Audi A3 A4"
brand: "xtrons"
price: "€ 73.56"
currency: EUR
in_stock: true
reviews_count: 13
category: "Xtrons"
url: https://www.desertcart.gr/products/201159825-xtrons-car-iso-harness-adapter-cable-with-high-to-low
store_origin: GR
region: Greece
---

# High to low impedance converter for crystal-clear sound 40-pin ISO connector for seamless integration Plug & play design, no splicing needed XTRONS Car ISO Harness Adapter Cable with High to Low Impedance Connector | Android Auto Car Stereo Radio Player compatible with Audi A3 A4

**Brand:** xtrons
**Price:** € 73.56
**Availability:** ✅ In Stock

## Summary

> 🔊 Upgrade your ride’s sound game—no noise, all clarity!

## Quick Answers

- **What is this?** XTRONS Car ISO Harness Adapter Cable with High to Low Impedance Connector | Android Auto Car Stereo Radio Player compatible with Audi A3 A4 by xtrons
- **How much does it cost?** € 73.56 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/201159825-xtrons-car-iso-harness-adapter-cable-with-high-to-low)

## Best For

- xtrons enthusiasts

## Why This Product

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

## Key Features

- • **Durable Build Quality:** Crafted with premium copper and robust plastic for long-lasting performance under daily use.
- • **Effortless Compatibility:** Designed specifically for Audi A3/A4 models and XTRONS head units, ensuring a perfect fit every time.
- • **Noise-Free Audio Upgrade:** Eliminates static and buzzing, restoring pristine sound quality even with premium Bose systems.
- • **Plug & Play Installation:** No complex wiring or splicing—just connect and enjoy your upgraded stereo instantly.
- • **Trusted Support & Warranty:** Backed by professional customer service and a 3-month warranty for worry-free ownership.

## Overview

The XTRONS Car ISO Harness Adapter Cable is a precision-engineered 40-pin connector with a high to low impedance converter, tailored for Audi A3/A4 models and compatible XTRONS head units. It solves common audio issues like static and no sound in rear speakers after stereo upgrades, delivering plug-and-play installation with durable materials and backed by professional support and a 3-month warranty.

## Description

How To Use 1. Turn OFF the unit, and locate the amps and the harness cables. 2. Remove the ISO harness from the XTRONS unit. （Support XTRONS IN79A3AP, IN79A4AP, IB79AA3RP, IB79AA4RP, IB79ATTRP, IB89ARAPL, IB89A4APL ect.） 3. Plug the red and white RCA connectors into color-coded jacks on the harness adapter. 4. Connect the harness adapter to the original harness of the XTRONS unit, it will perform as an extension harnessable here. Plug the harness back into the unit.Car ISO Harness Adapter Connector Cable with High to Low Impedance ConverterCompatible with XTRONS head units or other unit (fit for Au-di A3/A4 models) which use 40 pin harness.It would solve your problem that the vehicle's rear speakers have no sound or have static noise after installing car stereos.

Review: XTRONS Car ISO Harness Adapter Connector Cable - A Must-Have for Easy Installation - I recently used the XTRONS Car ISO Harness Adapter Connector Cable for my car audio installation, and I couldn’t be more satisfied with my purchase! Here’s why I think this product deserves a top rating: Pros: Perfect Fit: The connector fits seamlessly with both my car's wiring and the new head unit. No splicing or complicated modifications were necessary—just plug and play! Quality Construction: The cables feel durable and well-made. I appreciate the attention to detail, ensuring that they can withstand wear and tear over time. Clear Instructions: The included instructions were straightforward and easy to follow, making the installation process quick and hassle-free. Versatile Compatibility: It works well with a variety of car models, which is a huge plus if you plan to switch head units in the future. Cons: Limited Color Coding: While the wiring is generally intuitive, a few more color-coded labels would have made it even easier for first-time installers. Overall, the XTRONS Car ISO Harness Adapter Connector Cable is an excellent investment for anyone looking to upgrade their car audio system. It made my installation a breeze and saved me a trip to the shop. Highly recommended!
Review: Works with Bose systems - I just changed the unit of my Audi TT MK2 with a chinese one. There was a buzzing noise and the bass seemed to be off. Also the car has a Bose system. Checked the amplifier but still did not work properly. After checking with a shop specialised in car audio they advised me to buy a way more expensive unit. I just went and tried this adapter. Totally worth it. The noise is totally gone, the audio has improved a lot and also the bass is much better. For the price this is totally worth it. I'm not sure about the normal systems but i'm sure if you have Bose this will work. Also, the instalation was very simple. Just plug it in and see if it works.

## Features

- 👉Car ISO Harness Adapter Connector Cable with High to Low Impedance Converter.
- 👉Compatible with XTRONS head units or another unit (fit for Au-di A3/A4 models) which uses a 40-pin harness.
- 👉It would solve your problem that the vehicle's rear speakers have no sound or have static noise after installing car stereos.
- 【XTRONS Professional Service】Backed by professional pre- and post-sales customer support, with a 3-month warranty, connect with us through desertcart email if you have any questions, ensuring a worry-free ownership experience.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B082SC6G94 |
| Best Sellers Rank | 2 in Car Wiring Harnesses |
| Brand | XTRONS |
| Cable Type | ISO |
| Connector Type | RCA |
| Connector type | RCA |
| Country Of Origin | China |
| Customer Reviews | 4.4 out of 5 stars 315 Reviews |
| Global Trade Identification Number | 05055869134712 |
| Item Dimensions | 18 x 11 x 7 centimetres |
| Item Weight | 0.2 Kilograms |
| Item dimensions L x W x H | 18 x 11 x 7 centimetres |
| Item weight | 0.2 Kilograms |
| Manufacturer | XTRONS |
| Manufacturer Part Number | AK/INIB/NRCBL |
| Material | Copper , Plastic |
| Model Number | AK/INIB/NRCBL |
| Number of items | 1 |

## Product Details

- **Brand:** XTRONS
- **Connector type:** RCA
- **Item dimensions L x W x H:** 18 x 11 x 7 centimetres
- **Item weight:** 0.2 Kilograms
- **Material:** Copper, Plastic

## Images

![XTRONS Car ISO Harness Adapter Cable with High to Low Impedance Connector | Android Auto Car Stereo Radio Player compatible with Audi A3 A4 - Image 1](https://m.media-amazon.com/images/I/61r7tZ6PMqL.jpg)
![XTRONS Car ISO Harness Adapter Cable with High to Low Impedance Connector | Android Auto Car Stereo Radio Player compatible with Audi A3 A4 - Image 2](https://m.media-amazon.com/images/I/71NJkMdXGzL.jpg)
![XTRONS Car ISO Harness Adapter Cable with High to Low Impedance Connector | Android Auto Car Stereo Radio Player compatible with Audi A3 A4 - Image 3](https://m.media-amazon.com/images/I/71VQvsyBTCL.jpg)
![XTRONS Car ISO Harness Adapter Cable with High to Low Impedance Connector | Android Auto Car Stereo Radio Player compatible with Audi A3 A4 - Image 4](https://m.media-amazon.com/images/I/61EnF6h3HPL.jpg)
![XTRONS Car ISO Harness Adapter Cable with High to Low Impedance Connector | Android Auto Car Stereo Radio Player compatible with Audi A3 A4 - Image 5](https://m.media-amazon.com/images/I/51aanY-dwhL.jpg)

## Available Options

This product comes in different **Style** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ XTRONS Car ISO Harness Adapter Connector Cable - A Must-Have for Easy Installation
*by M***D on 27 October 2024*

I recently used the XTRONS Car ISO Harness Adapter Connector Cable for my car audio installation, and I couldn’t be more satisfied with my purchase! Here’s why I think this product deserves a top rating: Pros: Perfect Fit: The connector fits seamlessly with both my car's wiring and the new head unit. No splicing or complicated modifications were necessary—just plug and play! Quality Construction: The cables feel durable and well-made. I appreciate the attention to detail, ensuring that they can withstand wear and tear over time. Clear Instructions: The included instructions were straightforward and easy to follow, making the installation process quick and hassle-free. Versatile Compatibility: It works well with a variety of car models, which is a huge plus if you plan to switch head units in the future. Cons: Limited Color Coding: While the wiring is generally intuitive, a few more color-coded labels would have made it even easier for first-time installers. Overall, the XTRONS Car ISO Harness Adapter Connector Cable is an excellent investment for anyone looking to upgrade their car audio system. It made my installation a breeze and saved me a trip to the shop. Highly recommended!

### ⭐⭐⭐⭐⭐ Works with Bose systems
*by C***U on 22 February 2024*

I just changed the unit of my Audi TT MK2 with a chinese one. There was a buzzing noise and the bass seemed to be off. Also the car has a Bose system. Checked the amplifier but still did not work properly. After checking with a shop specialised in car audio they advised me to buy a way more expensive unit. I just went and tried this adapter. Totally worth it. The noise is totally gone, the audio has improved a lot and also the bass is much better. For the price this is totally worth it. I'm not sure about the normal systems but i'm sure if you have Bose this will work. Also, the instalation was very simple. Just plug it in and see if it works.

### ⭐⭐⭐⭐⭐ 53 pin
*by C***T on 10 April 2026*

Great , soon as I installed it, the unit worked first time, so anyone who buys the x trim head unit check if you have a 52 pin plug , if so , you may need this.

## Frequently Bought Together

- XTRONS Car ISO Harness Adapter Connector Cable with High to Low Impedance Converter, Android Auto Car Stereo Radio Player compatible with Au-di A3 A4
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*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-07-29*