---
product_id: 481763701
title: "DS18 RY-Harness.HD Harley Davidson Plug and Play Harness for Amplifiers, 4 Channel RCA Pre-Output Ready to Use - Great for Upgrade Your Motorcycle Sound System"
brand: "ds18"
price: "€ 271.16"
currency: EUR
in_stock: true
reviews_count: 8
category: "Ds18"
url: https://www.desertcart.it/products/481763701-ds18-ry-harness-hd-harley-davidson-plug-and-play-harness
store_origin: IT
region: Italy
---

# High to Low Signal Converter 4-Channel RCA Pre-Output Plug and Play Installation DS18 RY-Harness.HD Harley Davidson Plug and Play Harness for Amplifiers, 4 Channel RCA Pre-Output Ready to Use - Great for Upgrade Your Motorcycle Sound System

**Brand:** ds18
**Price:** € 271.16
**Availability:** ✅ In Stock

## Summary

> 🎵 Ride Loud, Ride Proud — Upgrade Your Harley Sound Effortlessly!

## Quick Answers

- **What is this?** DS18 RY-Harness.HD Harley Davidson Plug and Play Harness for Amplifiers, 4 Channel RCA Pre-Output Ready to Use - Great for Upgrade Your Motorcycle Sound System by ds18
- **How much does it cost?** € 271.16 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.it](https://www.desertcart.it/products/481763701-ds18-ry-harness-hd-harley-davidson-plug-and-play-harness)

## Best For

- ds18 enthusiasts

## Why This Product

- Trusted ds18 brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Install Like a Pro:** Plug and play design makes upgrading your bike’s sound system 100x easier
- • **Crystal-Clear Audio:** High-end load resistors eliminate distortion for pristine sound clarity
- • **4-Channel Power Ready:** Pre-output harness supports full 4-channel amplifier setups or DSPs
- • **Noise-Free RCA Outputs:** Premium RCA connectors block interference for pure audio signals
- • **Seamless Harley Integration:** Effortlessly connects your 2014+ Harley Davidson Touring radio to DS18 amps

## Overview

The DS18 RY-Harness.HD is a precision-engineered plug and play T-harness designed for Harley Davidson Touring models (2014 and newer). It enables seamless integration of factory radios with aftermarket DS18 amplifiers via 4-channel RCA pre-outputs, featuring a high to low signal converter with load resistors to ensure distortion-free, high-fidelity sound. This harness simplifies installation, eliminating complex programming and noise interference, making it the ultimate upgrade for motorcycle audio enthusiasts seeking professional-grade sound on the road.

## Description

Harley Davidson Touring Bike (2014 – present models) owners looking to upgrade their motorcycles sound system are sure to benefit from the handy application of the RY-HARNESS.HD. This T-Harness Kit includes everything needed to seamlessly integrate your Harley Davidson’s factory radio with your aftermarket DS18 amplifier. The High to Low Signal Converter with high-end load resistor this harness comes equipped with eliminates distortion for pure and pristine audio anywhere at any time. It even comes with high-quality RCA to block out all the noise distracting you from the perfection of professional audio. Make your installation one hundred times easier with the RY-HARNESS.HD!

Review: Great product - Made it easy to run an amp for my speakers with my stock radio without having to have it programmed.
Review: Great product - Perfect fit. Sure made the install easier.

## Features

- Harley Davidson Touring Bike (2014 – present models) owners looking to upgrade their motorcycles sound system are sure to benefit from the handy application of the RY-HARNESS.HD
- This T-Harness Kit includes everything needed to seamlessly integrate your Harley Davidson’s factory radio with your aftermarket DS18 amplifier
- Ready to use speaker input connection. High to Low signal converter with load resistors
- 4 Channel RCA Pre-Output Ready to use directly to amplifier OR DSP. DSP Power connection with remote output (When The Radio Is ON)
- Plug and Play Design for simple installation. Make your installation one hundred times easier with the RY-HARNESS.HD!

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BGQP71N8 |
| Best Sellers Rank | #470 in Car Audio & Video Wiring Harnesses |
| Brand | DS18 |
| Connector Type | RCA |
| Date First Available | September 28, 2022 |
| Item Weight | 1.08 pounds |
| Item model number | RY-HARNESS.HD |
| Manufacturer | DS18 |
| Material | Acrylonitrile Butadiene Styrene |
| Package Dimensions | 11.93 x 4.65 x 2.52 inches |
| UPC | 810097261006 |

## Product Details

- **Brand:** DS18
- **Connector Type:** RCA
- **Item Weight:** 0.49 Kilograms
- **Manufacturer:** DS18
- **Material:** Acrylonitrile Butadiene Styrene

## Images

![DS18 RY-Harness.HD Harley Davidson Plug and Play Harness for Amplifiers, 4 Channel RCA Pre-Output Ready to Use - Great for Upgrade Your Motorcycle Sound System - Image 1](https://m.media-amazon.com/images/I/71cBwsq4dJL.jpg)
![DS18 RY-Harness.HD Harley Davidson Plug and Play Harness for Amplifiers, 4 Channel RCA Pre-Output Ready to Use - Great for Upgrade Your Motorcycle Sound System - Image 2](https://m.media-amazon.com/images/I/81hCEGAoKrL.jpg)
![DS18 RY-Harness.HD Harley Davidson Plug and Play Harness for Amplifiers, 4 Channel RCA Pre-Output Ready to Use - Great for Upgrade Your Motorcycle Sound System - Image 3](https://m.media-amazon.com/images/I/81wXi20db5L.jpg)
![DS18 RY-Harness.HD Harley Davidson Plug and Play Harness for Amplifiers, 4 Channel RCA Pre-Output Ready to Use - Great for Upgrade Your Motorcycle Sound System - Image 4](https://m.media-amazon.com/images/I/81Hxd0e+35L.jpg)
![DS18 RY-Harness.HD Harley Davidson Plug and Play Harness for Amplifiers, 4 Channel RCA Pre-Output Ready to Use - Great for Upgrade Your Motorcycle Sound System - Image 5](https://m.media-amazon.com/images/I/71qtQ0Jj0ML.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great product
*by J***N on August 11, 2025*

Made it easy to run an amp for my speakers with my stock radio without having to have it programmed.

### ⭐⭐⭐⭐⭐ Great product
*by A***M on April 26, 2025*

Perfect fit. Sure made the install easier.

### ⭐⭐⭐⭐⭐ 2014 street glide harness
*by W***L on November 17, 2024*

It works good with my bike , plug and play , you don't have to buy another dsp or converter if you are adding an amp , * you do have to flash your bike stereo for a bad ass sound tho.

## Frequently Bought Together

- DS18 RY-Harness.HD Harley Davidson Plug and Play Harness for Amplifiers, 4 Channel RCA Pre-Output Ready to Use - Great for Upgrade Your Motorcycle Sound System
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- DS18 AMPKIT4 4 Gauge Amp Installation Wiring Kit - Amplifier Installation Kit 4 GA - A Car Amplifier Wiring Kit Simplifies Wire Connections and Delivers Power to Your Radio, Subwoofers, and Speakers

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*Product available on Desertcart Italy*
*Store origin: IT*
*Last updated: 2026-02-22*