---
product_id: 273852935
title: "SLC4 Line Output Converter/OEM Premium Amplifier Adapter - 4CH LOC High/Low RCA Converter Car Audio - Add New Amp or Retain Factory Amp - Line Level Converter for Car Stereo - Quality Sound"
brand: "scosche"
price: "21853CFA"
currency: XOF
in_stock: true
reviews_count: 5
category: "Scosche"
url: https://www.desertcart.sn/products/273852935-slc4-line-output-converter-oem-premium-amplifier-adapter-4ch-loc
store_origin: SN
region: Senegal
---

# Crystal-clear, interference-free audio 4-channel high-to-low RCA conversion Plug & play easy installation SLC4 Line Output Converter/OEM Premium Amplifier Adapter - 4CH LOC High/Low RCA Converter Car Audio - Add New Amp or Retain Factory Amp - Line Level Converter for Car Stereo - Quality Sound

**Brand:** scosche
**Price:** 21853CFA
**Availability:** ✅ In Stock

## Summary

> 🎶 Upgrade your ride’s sound game without compromise!

## Quick Answers

- **What is this?** SLC4 Line Output Converter/OEM Premium Amplifier Adapter - 4CH LOC High/Low RCA Converter Car Audio - Add New Amp or Retain Factory Amp - Line Level Converter for Car Stereo - Quality Sound by scosche
- **How much does it cost?** 21853CFA with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/273852935-slc4-line-output-converter-oem-premium-amplifier-adapter-4ch-loc)

## Best For

- scosche enthusiasts

## Why This Product

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

## Key Features

- • **Plug & Play Simplicity:** Compact design fits tight spaces with hassle-free installation—no rewiring headaches.
- • **Preserve Factory Sound:** Keep your JBL or Bose factory amp while upgrading with aftermarket radios or subs.
- • **Audiophile-Grade Clarity:** Minimizes signal interference for crisp highs and powerful bass every drive.
- • **Lifetime Support & Warranty:** Backed by Scosche’s trusted brand with lifetime tech support and warranty.
- • **Seamless 4-Channel Conversion:** Effortlessly convert speaker-level signals to RCA for premium amp integration.

## Overview

The Scosche SLC4 is a compact, 4-channel line output converter designed to seamlessly integrate aftermarket amplifiers or radios with factory car audio systems. It converts high-level speaker outputs to low-level RCA signals, preserving premium sound quality from brands like JBL and Bose. Engineered for easy installation and durability, it delivers interference-free audio performance backed by Scosche’s lifetime warranty and tech support.

## Description

Enhance your car audio experience with the Scosche SLC4 Line Output Converter and OEM Amplifier Adapter. Specifically designed for adding amplifiers to a stock system or, adding an aftermarket radio and retaining your factory JBL or Bose amplifier, this adapter ensures a seamless integration with your audio system, offering crystal-clear sound quality and robust bass performance. The Scosche SLC4 is ideal for anyone looking to improve their car audio without having to replace the entire system, making it a practical and efficient solution.This adapter for car audio is perfect for connecting an amplifier or a subwoofer, effortlessly converting high-level speaker outputs to a low-level RCA signal. The 4-channel adapter retains full range audio for pristine clarity. With its easy-to-install design, the Scosche SLC4 line level converter allows hassle-free installation, saving you time and effort while delivering superior audio quality.Designed for versatility, the Scosche SLC4 works with any car audio setup, providing reliable performance for both enthusiasts and casual users alike. Whether you're upgrading your car's sound system or integrating a new subwoofer, this RCA converter for car audio ensures a smooth and powerful audio experience. Elevate your in-car entertainment with the dependable and efficient Scosche SLC4 RCA Adapter.

Review: Used this in my Goldwing to convert hi I put from stock amp to rca and then fed it to my amp in trunk. It’s palm sized and quality is good. Recommend for the price. Lot of instructions given, so very easy to install. Love it. Recommend to buy, amazing price. Put this cause my Goldwing stock amp hi level was too hot and this made it so much better
Review: Justo lo que necesitaba! Pequeño, fácil de instalar detrás del estéreo y de ajustar. Con esto queda completa mi instalacion.

## Features

- Unmatched Versatility - Compatible with a wide range of car audio systems, this high to low converter offers flexible installation options, making it a go-to solution for converting speaker wires to RCA line level signals or adding an aftermarket radio.
- Seamless Integration - Integrate your factory stereo with an aftermarket amp using this line out converter and boosting your car’s audio performance without complex rewiring. Or, add an aftermarket radio and keep your factory JBL or Bose amplifier.
- Enhanced Audio Experience - Transform your car audio system with the Scosche SLC4 Line Out Converter/OEM Premium Amplifier Adapter, delivering crisp and clear sound quality for your subwoofer; perfect for audiophiles seeking high-fidelity sound.
- Compact and Durable Design - Engineered by Scosche, the SLC4 line output converter is compact and built to last, fitting easily into tight spaces while maintaining durability; a reliable upgrade for any car audio enthusiast.
- Optimal Signal Quality - Ensure maximum audio performance with this high-quality RCA converter for car audio, designed to minimize signal interference and deliver clean, powerful sound; the perfect addition to your custom car audio setup.
- Trusted Brand - Backed by Scosche's Limited Lifetime Warranty and Lifetime Tech Support. Scosche, known for its commitment to quality car audio solutions, means you can trust the Scosche SLC4 RCA adapter to deliver exceptional performance.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000BFL52Q |
| Best Sellers Rank | #80,126 in Electronics ( See Top 100 in Electronics ) #24 in Car Amplifier Wiring Kits |
| Department | car accessories |
| Item model number | SC-SLC4-4CH |
| Manufacturer | Scosche |
| Product Dimensions | 3.18 x 11.13 x 28.91 cm; 162 g |

## Product Details

- **Item dimensions L x W x H:** 32 x 111 x 289 millimeters
- **Manufacturer:** Scosche
- **Maximum supply voltage:** 14.4 Volts
- **Minimum supply voltage:** 12 Volts
- **Voltage:** 14.4 Volts

## Images

![SLC4 Line Output Converter/OEM Premium Amplifier Adapter - 4CH LOC High/Low RCA Converter Car Audio - Add New Amp or Retain Factory Amp - Line Level Converter for Car Stereo - Quality Sound - Image 1](https://m.media-amazon.com/images/I/71CWSMvjzlL.jpg)

## Questions & Answers

**Q: Will this work woth 2006 chrysler croosfire?**
A: It will work in any vehicle. What is more to the point is what application you have on mind.

**Q: Saab 2009 9-3 w stock radio, no Bose. looking to add a sub for bass. I will add an amp for this. Can i tap this units inputs from rear speaker?**
A: Yes just make sure you get the polarity right

**Q: when they say 80 watts max per channel, are they refering to the output power of my factory radio? my amp puts out 125w x 4 RMS**
A: Factory radio but even tho your radio says 125 x 4 that is a max rated not a RMS rating so you will be fine

**Q: trying to install sound system (head unit, amp, subwoofers)to 2010 impala that has the stock Bose system. Will this be powerful enough to support that**
A: This item is meant to reduce the signal strength from your aftermarket head unit before it goes into the stock amp, in this case, your Bose stock amp.
If your intent is to continue using the Bose Amp to power your stock Bose speakers, this item does the job.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by V***E on 8 September 2025*

Used this in my Goldwing to convert hi I put from stock amp to rca and then fed it to my amp in trunk. It’s palm sized and quality is good. Recommend for the price. Lot of instructions given, so very easy to install. Love it. Recommend to buy, amazing price. Put this cause my Goldwing stock amp hi level was too hot and this made it so much better

### ⭐⭐⭐⭐⭐ Review
*by R***O on 3 December 2020*

Justo lo que necesitaba! Pequeño, fácil de instalar detrás del estéreo y de ajustar. Con esto queda completa mi instalacion.

### ⭐⭐⭐⭐⭐ Review
*by N***E on 5 January 2026*

The converter is sealed away in the dash, so I was worried the levels might drift, but I've used it through 4 seasons and drift minimal if any.

## Frequently Bought Together

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*Product available on Desertcart Senegal*
*Store origin: SN*
*Last updated: 2026-02-18*