---
product_id: 416838640
title: "Car Audio Speaker Wire to RCA Line Output Converter, 2-Channel High to Low RCA Converter for Adding Amplifier Subwoofer to Stock Stereo"
brand: "nuith"
price: "€ 36.63"
currency: EUR
in_stock: true
reviews_count: 11
category: "Nu Ith"
url: https://www.desertcart.com.cy/products/416838640-car-audio-speaker-wire-to-rca-line-output-converter-2
store_origin: CY
region: Cyprus
---

# 1 Amp Current Rating for Stable Power 2-Channel High to Low RCA Conversion Level Gain Adjustment for On-the-Fly Bass Control Car Audio Speaker Wire to RCA Line Output Converter, 2-Channel High to Low RCA Converter for Adding Amplifier Subwoofer to Stock Stereo

**Brand:** nuith
**Price:** € 36.63
**Availability:** ✅ In Stock

## Summary

> 🎶 Upgrade your ride’s sound game without the hassle—because your car deserves to be heard.

## Quick Answers

- **What is this?** Car Audio Speaker Wire to RCA Line Output Converter, 2-Channel High to Low RCA Converter for Adding Amplifier Subwoofer to Stock Stereo by nuith
- **How much does it cost?** € 36.63 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.cy](https://www.desertcart.com.cy/products/416838640-car-audio-speaker-wire-to-rca-line-output-converter-2)

## Best For

- nuith enthusiasts

## Why This Product

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

## Key Features

- • **Compact & Durable Design:** Small footprint and solid build ensure a neat, reliable installation that lasts.
- • **Plug-and-Play Installation:** Simply tap into speaker wires and connect RCA cables—no complex wiring or harness removal required.
- • **User-Friendly Bass Control:** Adjust bass levels on the fly with the built-in gain knob—no need to pull over or fiddle with your amp.
- • **Crystal-Clear Signal Output:** Converts high-voltage speaker signals to low-voltage RCA outputs with zero distortion or buzzing.
- • **Seamless Amplifier Integration:** Effortlessly add a subwoofer or amp to your factory or aftermarket stereo without rewiring.

## Overview

The NuIth Car Audio Speaker Wire to RCA Line Output Converter is a compact, 2-channel adapter that converts high-level speaker outputs into low-level RCA signals, enabling easy addition of amplifiers or subwoofers to factory or aftermarket car stereos. Featuring a 1 Amp current rating and adjustable gain control, it delivers clean, distortion-free audio with straightforward installation, making it the perfect upgrade tool for DIY car audio enthusiasts.

## Description

desertcart.com: NuIth Car Audio Speaker Wire to RCA Line Output Converter, 2-Channel High to Low RCA Converter for Adding Amplifier Subwoofer to Stock Stereo : Electronics

Review: Used on My ’07 Avalon – Perfect for Aftermarket Radio Install - used this NuIth RCA line output converter to install an aftermarket radio and subwoofer in my 2007 Toyota Avalon, and it worked perfectly. It was exactly what I needed to get a clean RCA signal from the factory speaker wires. The wiring was simple — just tap into the speaker lines and connect your amp RCA cables. It’s compact, solidly built, and the signal came through clean with no noise, buzzing, or distortion. It made adding an amp super easy without needing to completely redo the wiring or rip out the stock harness. For the price, this is a great little tool to have if you’re adding a sub or amp to a stock or aftermarket system without RCA outs. ⸻ 🔧 Pros: • Clean signal output — no interference • Easy to install — wiring is straightforward • Great for factory or aftermarket radio setups • Worked perfectly on my 2007 Avalon • Compact and well-built Cons: • Doesn’t come with wiring instructions (but easy if you’ve done installs before) ⸻ Final Verdict: If you’re upgrading your sound system and need RCA outs from speaker wires, this converter does the job right. I’d definitely use it again — highly recommended for any DIY car audio setup.
Review: Would buy again - Easy to wire in. Worked well as intended. Would buy again.

## Features

- Car audio speaker level converter wiring adapter allows to add 2 channel or mono amplifier or subwoofer to existing factory or aftermarket car stereo kit
- Convert car stereo speaker wire output to RCA Cable outputs: In order to improve the sound quality, the function of RCA output can convert high to low; The high voltage signal output of the amplifier/speaker converts to low-voltage signal
- Convenient to use: There is the level gain adjustment to adjust the bass down without having to pull over and manually adjust the amplifier
- Easy to install: Use this adapter when adding an amplifier to a factory radio that convert the radio's speaker level output to the lower amplifier RCA level input; Tap into a speaker wire and it senses the signal, and turns on a relay to send power to the amp
- Reasonable and neat power plug, it has the prefect bonding and contact stability; Provide clean and excellent sound

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09MT92KVY |
| Best Sellers Rank | #6 in Car Amplifier Wiring Kits |
| Brand | NuIth |
| Color | black |
| Compatible Devices | Amplifier, Speaker |
| Connector Type | RCA |
| Current Rating | 1 Amps |
| Customer Reviews | 4.4 4.4 out of 5 stars (752) |
| Finish | Finish |
| Input Voltage | 2 Volts |
| Item Dimensions | 3.9 x 2.3 x 0.7 inches |
| Item Weight | 100 Grams |
| Manufacturer | NuIth |
| Model Number | 6926585403699 |
| Nominal Power | 50 Watts |
| Number of Items | 1 |
| Number of Ports | 2 |
| Package Quantity | 1 |
| Power Plug Type | No Plug |
| Specific Uses For Product | Amplifier, Speaker |
| Unit Count | 1.0 Count |
| Warranty Description | 1 |

## Product Details

- **Color:** black
- **Compatible Devices:** Amplifier, Speaker
- **Connector Type:** RCA
- **Item dimensions L x W x H:** 3.9 x 2.3 x 0.7 inches
- **Specific Uses For Product:** Amplifier, Speaker

## Images

![Car Audio Speaker Wire to RCA Line Output Converter, 2-Channel High to Low RCA Converter for Adding Amplifier Subwoofer to Stock Stereo - Image 1](https://m.media-amazon.com/images/I/61A0PfmEFyL.jpg)

## Questions & Answers

**Q: Why is the High to Low Converter still working after the car is turned off?**
A: 12V power needs to be connected to ACC, if connected to the car battery will always working.

**Q: what is the max input watts?**
A: The max input watts is 50 watt.

**Q: What is the blue wire for?**
A: Connect the blue wire to the amplifier’s “remote turn-on” or “REM” INPUT. Always refer to your amplifier’s owner’s manual for wiring details/function of your particular amplifier.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Used on My ’07 Avalon – Perfect for Aftermarket Radio Install
*by T***R on August 7, 2025*

used this NuIth RCA line output converter to install an aftermarket radio and subwoofer in my 2007 Toyota Avalon, and it worked perfectly. It was exactly what I needed to get a clean RCA signal from the factory speaker wires. The wiring was simple — just tap into the speaker lines and connect your amp RCA cables. It’s compact, solidly built, and the signal came through clean with no noise, buzzing, or distortion. It made adding an amp super easy without needing to completely redo the wiring or rip out the stock harness. For the price, this is a great little tool to have if you’re adding a sub or amp to a stock or aftermarket system without RCA outs. ⸻ 🔧 Pros: • Clean signal output — no interference • Easy to install — wiring is straightforward • Great for factory or aftermarket radio setups • Worked perfectly on my 2007 Avalon • Compact and well-built Cons: • Doesn’t come with wiring instructions (but easy if you’ve done installs before) ⸻ Final Verdict: If you’re upgrading your sound system and need RCA outs from speaker wires, this converter does the job right. I’d definitely use it again — highly recommended for any DIY car audio setup.

### ⭐⭐⭐⭐⭐ Would buy again
*by D***N on March 18, 2026*

Easy to wire in. Worked well as intended. Would buy again.

### ⭐⭐⭐⭐⭐ Will recommend who that needs. Very good product. Thank you Tim for Michigan
*by H***D on February 26, 2026*

Fits well. Durability noise level design. Ideal design. Thank you so much. We'll buy another one. Will recommend to whom that needs

## Frequently Bought Together

- NuIth Car Audio Speaker Wire to RCA Line Output Converter, 2-Channel High to Low RCA Converter for Adding Amplifier Subwoofer to Stock Stereo
- BOSS Audio Systems KIT2 8 Gauge Complete Car Amplifier Installation Wiring Kit with Power Cables, Ground Cables, Turn-On Wire, Speaker Wire, Terminals

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*Product available on Desertcart Cyprus*
*Store origin: CY*
*Last updated: 2026-04-25*