---
product_id: 1739868
title: "Add An Amp Amplifier Adapter Interface to Factory OEM Car Stereo Radio System for select Toyota Scion Subaru Vehicles- Add Subwoofer Bass Amp etc.- No Factory Premium Amp- Vehicles listed below"
brand: "install bay"
price: "€ 86.19"
currency: EUR
in_stock: true
reviews_count: 8
category: "Install Bay"
url: https://www.desertcart.sk/products/1739868-add-an-amp-amplifier-adapter-interface-to-factory-oem-car
store_origin: SK
region: Slovakia
---

# Plug & play install Wide Toyota/Scion/Subaru compatibility Adjustable gain output Add An Amp Amplifier Adapter Interface to Factory OEM Car Stereo Radio System for select Toyota Scion Subaru Vehicles- Add Subwoofer Bass Amp etc.- No Factory Premium Amp- Vehicles listed below

**Brand:** install bay
**Price:** € 86.19
**Availability:** ✅ In Stock

## Summary

> 🎵 Upgrade your ride’s bass without the hassle—plug in, power up, and own the road!

## Quick Answers

- **What is this?** Add An Amp Amplifier Adapter Interface to Factory OEM Car Stereo Radio System for select Toyota Scion Subaru Vehicles- Add Subwoofer Bass Amp etc.- No Factory Premium Amp- Vehicles listed below by install bay
- **How much does it cost?** € 86.19 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/1739868-add-an-amp-amplifier-adapter-interface-to-factory-oem-car)

## Best For

- install bay enthusiasts

## Why This Product

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

## Key Features

- • **Seamless Plug & Play:** No cutting or splicing—connect directly to factory wiring for a clean, professional install.
- • **Tailored Sound Control:** Adjustable gain output lets you fine-tune your subwoofer bass amp for perfect audio balance.
- • **RCA & Remote Power Ready:** Includes RCA output and remote turn-on wire for instant amplifier activation and superior signal clarity.
- • **Preserve Factory Integrity:** Works exclusively with non-amplified factory systems—upgrade your sound without voiding warranties or complex rewiring.
- • **Universal Fit for Select Models:** Compatible with a broad range of Toyota, Scion, and Subaru vehicles without factory premium amps.

## Overview

This adapter interface enables quick, clean installation of a subwoofer bass amplifier to factory non-amplified Toyota, Scion, and Subaru stereo systems. It provides RCA outputs and a remote power wire, features adjustable gain, and requires no cutting or splicing of factory wiring. Compatible with numerous models from 1986 to 2020, it’s the perfect solution for adding powerful bass without premium factory amps like JBL or Bose.

## Description

Use this adapter to make your installation of a subwoofer bass amplifier to the factory system faster with a cleaner install. Use this plug and play adapter so you don't have to cut or splice into the factory wiring. Provides RCA output and a power wire for the remote amplifier turn on connection. Adjustable gain output. Not compatible with factory amplified stereo systems. Only works with factory non-amplified systems (no JBL/Synthesis, Bose, etc.). Connection is done at back of radio. No Factory external amp (no JBL, Bose, etc)- Compatible Vehicles: Made for Toyota: Made for 2017-2020 Toyota 86, 1988 - 2017 4-Runner, 1987 - 2017 Camry, 1986 - 2006 Celica, 1987 - 2019 Corolla, 1 2007 - 2014 FJ Cruiser, 2001 - 2016 Highlander,2001 - 2018 Prius, 1996 - 2016 RAV4, 2001 - 2016 Sequoia, 1998 - 2016 Sienna, 1995-2019 Tacoma, 2000 - 2019 Tundra, 1987 - 1990 Van, 2009 - 2015 Venza, 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 Yaris

Review: Perfect - It works amazing on my 2020 tundra non JBL. Easy plug and play from factory amp(no need to remove head-unit is a plus).
Review: Works on 2016 4 Runner w/ Nav System - Works on a 4 Runner SR5 2016 w/ nav system. Just installed a 400W 8" kicker in my wife's car. Signal is clean and there is plenty of room in the dash cavity to stuff it in. Great price!

## Features

- Use this adapter to make your installation of a subwoofer bass amplifier to the factory system faster with a cleaner install. Use this plug and play adapter so you don't have to cut or splice into the factory wiring. Provides RCA output and a power wire for the remote amplifier turn on connection. Adjustable gain output.
- Not compatible with factory amplified stereo systems. Only works with factory non-amplified systems (no JBL/Synthesis, Bose, etc.). Connection is done at back of radio. No Factory external amp (no JBL, Bose, etc)
- Compatible Vehicles: Made for Toyota: Made for 2017-2020 Toyota 86, 1988 - 2017 4-Runner, 1987 - 2017 Camry, 1986 - 2006 Celica, 1987 - 2019 Corolla, 1 2007 - 2014 FJ Cruiser, 2001 - 2016 Highlander,2001 - 2018 Prius, 1996 - 2016 RAV4, 2001 - 2016 Sequoia, 1998 - 2016 Sienna, 1995-2019 Tacoma, 2000 - 2019 Tundra, 1987 - 1990 Van, 2009 - 2015 Venza, 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 Yaris

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00CQUL240 |
| Best Sellers Rank | #272 in Car Audio & Video Wiring Harnesses |
| Brand | Install Bay |
| Brand Name | Install Bay |
| Cable Type | RCA |
| Connector Type | RCA |
| Customer Reviews | 4.6 out of 5 stars 827 Reviews |
| Item Dimensions | 7 x 7 x 3 inches |
| Item Weight | 0.2 Kilograms |
| Item dimensions L x W x H | 7 x 7 x 3 inches |
| Manufacturer | AudioBaxics |
| Material | Acrylonitrile Butadiene Styrene |
| Material Type | Acrylonitrile Butadiene Styrene |
| Unit Count | 1 Count |

## Product Details

- **Brand:** Install Bay
- **Material:** Acrylonitrile Butadiene Styrene
- **Item dimensions L x W x H:** 7 x 7 x 3 inches
- **Item Weight:** 0.2 Kilograms
- **Connector Type:** RCA

## Images

![Add An Amp Amplifier Adapter Interface to Factory OEM Car Stereo Radio System for select Toyota Scion Subaru Vehicles- Add Subwoofer Bass Amp etc.- No Factory Premium Amp- Vehicles listed below - Image 1](https://m.media-amazon.com/images/I/71397f3RkhL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Perfect
*by R***M on October 11, 2025*

It works amazing on my 2020 tundra non JBL. Easy plug and play from factory amp(no need to remove head-unit is a plus).

### ⭐⭐⭐⭐⭐ Works on 2016 4 Runner w/ Nav System
*by R***K on December 6, 2025*

Works on a 4 Runner SR5 2016 w/ nav system. Just installed a 400W 8" kicker in my wife's car. Signal is clean and there is plenty of room in the dash cavity to stuff it in. Great price!

### ⭐⭐⭐⭐⭐ Fit, plug & Play
*by O***R on January 21, 2026*

Fit perfect for my 2019 toyota tacoma sr base model. Plugged into my old rockaville base easy plug and play. Make sure you have correct stereo i ordered another one before this one and the other didn't fit

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*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-02-22*