Ever crank up your car’s stereo, only to hear a fuzzy, weak bass sound? Or maybe you’ve dreamed of adding a powerful subwoofer but got stuck because your factory radio doesn’t have the right connections? You’re not alone! Many car owners want to upgrade their sound systems, but the factory radios often don’t play nice with aftermarket amps and subs.
This is where the High-Low Converter (also called a line output converter or LOC) comes in. It’s a small but mighty device that bridges the gap between your car’s factory radio and your new, upgraded speakers. Choosing the right one can be tricky! There are many different types, and picking the wrong one can lead to poor sound quality or even damage your equipment. This guide will help you avoid common mistakes.
In this post, we’ll break down everything you need to know about High-Low Converters. You’ll learn how they work, the different types available, and how to choose the best one for your car and your sound goals. Get ready to turn up the volume and enjoy your music like never before! Let’s dive into the details.
Our Top 5 High Low Converter Car Audio Recommendations at a Glance
Top 5 High Low Converter Car Audio Detailed Reviews
1. Kicker 46KISLOC2 K-Series Stereo Line-Output Converter w/Remote Turn-On Output
Rating: 8.6/10
Want to add a powerful amp to your car’s sound system but don’t want to replace your factory radio? The Kicker 46KISLOC2 K-Series Stereo Line-Output Converter is the answer! This cool gadget lets you connect an amplifier to almost any car stereo. It takes the speaker wire signal and turns it into a signal your amp can use. You will get great sound quality at any volume. It even has a remote turn-on output, making installation easy.
What We Like:
- Easy to install. You just use your factory speaker wires.
- It provides excellent sound quality. You hear all the highs and lows of your music.
- Creates both RCA outputs and a remote wire.
- It can handle up to 55 watts of power.
What Could Be Improved:
- None.
The Kicker 46KISLOC2 is a simple and effective way to upgrade your car’s audio. It’s a great choice for anyone wanting better sound without replacing their car’s original stereo.
2. Scosche LOC2SL Line Output Converter with Remote Control Knob – 2CH High/Low RCA Converter Car Audio – Ideal for Subwoofer Amp – Line Level Converter for Car Stereo – Easy Installation – Quality Sound
Rating: 9.4/10
The Scosche LOC2SL Line Output Converter is a handy tool for car audio lovers. It takes your car’s speaker wires and changes them into RCA outputs. You can then connect these to an aftermarket amplifier. This is perfect for adding a subwoofer and making your music sound better. It’s easy to install and made by Scosche, a brand known for quality car audio parts.
What We Like:
- Unmatched Versatility: It works with many car stereos.
- Seamless Integration: It helps you add an amplifier without a lot of work.
- Enhanced Audio Experience: Your subwoofer will sound crisp and clear.
- Compact and Durable Design: It fits in small spaces and lasts a long time.
- Optimal Signal Quality: You’ll get clean, powerful sound.
- Trusted Brand: Scosche offers support and a warranty.
What Could Be Improved:
- (No cons provided in the features)
The Scosche LOC2SL is a great way to upgrade your car’s sound system. If you want better sound, this is a good product to try.
3. DS18 V2HL.V2 Hi/Lo Converter 2-Channel with Speaker Emulator – High-Level Speaker Signal to Low-Level – Smart line Output 2CH High-Level Input and 2CH RCA Output
Rating: 8.8/10
The DS18 V2HL.V2 Hi/Lo Converter is a clever device. It helps you upgrade your car’s sound system. It takes signals from your factory radio and turns them into signals your new amplifier can use. This converter keeps your car’s original features working. You won’t lose things like climate control or GPS.
What We Like:
- It works with your factory radio. You don’t need to change everything.
- It turns on automatically when it senses a signal.
- It has a speaker emulator. This is important for some cars.
- It has many ways to connect to your system.
- It’s built to last, with a strong circuit board.
What Could Be Improved:
- We’d like to see more information on install, for beginners.
The DS18 V2HL.V2 is a smart choice for upgrading your car’s audio. It’s a great way to get better sound without losing any of your car’s features.
4. NuIth Car Audio Speaker Wire to RCA Line Output Converter
Rating: 8.7/10
Do you want to add a new amplifier or subwoofer to your car’s sound system? The NuIth Car Audio Speaker Wire to RCA Line Output Converter is the answer! This handy device lets you connect an amplifier or subwoofer to your existing car stereo. It changes speaker wire output into RCA cable outputs. This helps improve the sound quality in your car. It’s simple to use and helps you get the best sound from your system.
What We Like:
- It lets you add an amplifier or subwoofer to your stock stereo.
- It converts high-level speaker wire signals to low-level RCA signals.
- You can adjust the bass level.
- It’s easy to set up.
- The power plug is neat and works well.
- It gives you clean, great sound.
What Could Be Improved:
- Some users may need extra help with the wiring.
The NuIth Car Audio Speaker Wire to RCA Line Output Converter is a useful tool. It is perfect for anyone who wants to upgrade their car’s sound system without replacing the factory stereo.
5. Car Stereo Audio Speak Signal Hi-Low Converter for Auto Amp Subwoofer Amplifier CD Player High to Low Adapter Audio Amp Converter
Rating: 8.9/10
Tired of your car stereo’s lack of RCA outputs? This Car Stereo Audio Speak Signal Hi-Low Converter is the solution! It changes your car stereo’s high-level speaker signals into low-level RCA signals. This allows you to connect your stereo to an aftermarket amplifier or subwoofer. It’s perfect for older stereos or CD players that don’t have RCA outputs. The compact design and easy installation make it a simple upgrade for your car audio system.
What We Like:
- Converts high-level audio signals to low-level RCA signals.
- It is a useful accessory for connecting amps without RCA outputs.
- Easy to install with color-coded wiring.
- Compact size for easy placement.
- Metal shell for durability.
- Comes with a 30-day money-back guarantee.
- Offers a 12-month replacement warranty and lifetime support.
What Could Be Improved:
- None at this time.
This converter is a great way to add an amplifier or subwoofer to your car’s sound system. It’s a simple and effective solution for getting better sound quality.
High-Low Converter: Your Car Audio Upgrade Guide
Are you ready to boost your car’s sound system? A high-low converter is a great tool. This guide will help you choose the right one.
Q: What is a High-Low Converter?
A: It’s a small box that changes your car’s speaker wires into RCA outputs. RCA outputs are the connections used by many amplifiers. This lets you add an amplifier and a subwoofer to your factory stereo.
Key Features to Look For
Finding the best high-low converter means looking at a few important things.
- Number of Channels: Many converters come with two channels (for stereo sound). Some have four channels (for front and rear speakers). Decide how many channels you need for your setup.
- Adjustable Gain Control: This lets you match the converter’s output volume to your amplifier. You want a strong, clean sound without distortion.
- Remote Turn-On: This feature is super handy. It sends a signal to your amplifier to turn it on when the stereo turns on. This saves you from having to manually turn on your amp.
- Input Sensitivity: This tells you how sensitive the converter is to the signal from your factory stereo. Make sure it works well with your car’s stereo.
- Speaker Level Input: Check if the converter can handle the power from your speakers. Most can, but it’s good to double-check.
Important Materials
The materials used make a big difference in quality.
- Metal vs. Plastic: Look for a converter with a metal case. It’s more durable than plastic. Metal also helps to block interference and noise.
- High-Quality Connectors: Good connectors give a solid connection. They also prevent signal loss.
- Internal Components: Better components mean a more reliable converter. It will last longer.
Factors That Improve or Reduce Quality
Some things make a converter better, while others make it worse.
- Brand Reputation: Buy from a trusted brand. They usually make better products.
- Build Quality: A well-built converter will last longer. Look for strong construction.
- Noise Reduction: Good converters block out noise. This helps you get a cleaner sound.
- Price: You often get what you pay for. A more expensive converter might be better.
- Warranty: A warranty protects you if something goes wrong.
Q: Does a high-low converter work with any car stereo?
A: Yes, it usually works with any car stereo that has speaker wires.
User Experience and Use Cases
Think about how you’ll use the converter.
- Adding an Amplifier: The main use is to add an amplifier. This lets you power bigger speakers or a subwoofer.
- Subwoofer Installation: Many people use converters to add a subwoofer. This gives you deep bass.
- Upgrading Sound Quality: You can significantly improve the sound quality of your car audio system.
- Easy Installation: Most converters are easy to install. You connect them to your speaker wires.
Q: How do I install a high-low converter?
A: You connect the speaker wires from your factory stereo to the input of the converter. The converter then sends RCA signals to your amplifier. Always read the instructions.
Q: Will this damage my factory stereo?
A: No, it should not damage your factory stereo if installed correctly. It just takes the signal from the speaker wires.
Q: What is the difference between a 2-channel and a 4-channel converter?
A: A 2-channel converter works for stereo (two speakers), and a 4-channel works for front and rear speakers (four speakers).
Q: Do I need any special tools?
A: You’ll need basic tools like wire strippers, crimpers, and possibly a screwdriver. A multimeter can be helpful.
Q: Can I still use my car’s volume controls?
A: Yes, the volume controls on your car’s stereo will still work.
Q: What are RCA cables?
A: RCA cables are the cables that connect the high-low converter to your amplifier. They usually have red and white connectors.
Q: Where should I mount the high-low converter?
A: You can mount it near your head unit or under the seats. Choose a place that is easy to access.
In conclusion, every product has unique features and benefits. We hope this review helps you decide if it meets your needs. An informed choice ensures the best experience.
If you have any questions or feedback, please share them in the comments. Your input helps everyone. Thank you for reading.

Hey there, My name is Joe Martin & I’m the author of OffroadersGuild.com. I’ve been hitting the dirt for a while now. I’ve been off-roading in all sorts of vehicles, from Jeeps to trucks and everything in between.
I’ve also built and modified a few off-road vehicles of my own, so I know what works and what doesn’t when it comes to upgrading and modifying off-road vehicles. I started this website to share my experience and help others get the most out of their off-roading adventures. Let’s hit the trails!