Ever wanted to upgrade your car’s sound system but felt stuck with the factory radio? It’s a common problem! Many car radios don’t have the fancy outputs needed for powerful amplifiers or new subwoofers. This leaves you with a choice: a whole new head unit, or a clever adapter that makes your old radio play nice with new gear. That’s where a Line Out Converter, or LOC, comes in.
But choosing the right LOC can feel like navigating a maze. There are so many types, and understanding what makes one better than another can be confusing. You worry about getting one that doesn’t sound good, or worse, doesn’t even work with your car! This post is here to clear up all that confusion. We’ll break down exactly what a Line Out Converter is and why it’s your best friend for car audio upgrades.
By the end of this article, you’ll know how to pick the perfect LOC for your needs, avoid common mistakes, and get the awesome sound you’ve been dreaming of without breaking the bank. Let’s dive in and unlock the potential of your car’s audio system!
Our Top 5 Line Out Converter Car Audio Recommendations at a Glance
Top 5 Line Out Converter Car Audio Detailed Reviews
1. Kicker 46KISLOC2 K-Series Stereo Line-Output Converter w/Remote Turn-On Output
Rating: 8.7/10
Want to add a powerful amplifier to your car’s stereo but stuck with a factory radio? The Kicker 46KISLOC2 K-Series Stereo Line-Out Converter is your solution. This handy device lets you connect an amplifier to almost any car radio, even if it doesn’t have special RCA jacks. You’ll get amazing sound quality, from the clearest high notes to the deepest bass, just like the original music intended.
What We Like:
- Easily adds an amplifier to factory car radios.
- Converts speaker wires into RCA and remote turn-on signals.
- Delivers true sonic accuracy for better sound.
- Handles up to 55 watts of input signal, so it works with most factory systems.
- The remote turn-on output means your amplifier powers on automatically with your radio.
What Could Be Improved:
- The instruction manual could be a bit clearer for beginners.
- While it handles 55 watts, extremely high-powered factory systems might require a different solution.
This Kicker converter is a fantastic way to upgrade your car audio without replacing your entire head unit. It’s a straightforward and effective tool for anyone looking to boost their car’s sound system.
2. AudioControl LC2i 2 Channel Line Out Converter with AccuBASS and Subwoofer Control
Rating: 9.1/10
The AudioControl LC2i is a handy device that helps you get the best sound out of your car’s audio system. It lets you connect your factory stereo to aftermarket amplifiers. This means you can add more power to your speakers and even a subwoofer. It’s designed to work with powerful factory systems, handling up to 400 watts per channel. The LC2i also has special features like AccuBASS to fix bass that gets lost in factory systems. You can also add a separate knob to control your subwoofer volume right from the dashboard.
What We Like:
- It accepts strong signals from your car’s speakers, up to 400 watts each.
- You get both fixed and variable outputs with their own volume controls.
- AccuBASS corrects bass roll-off, making your music sound fuller.
- You can add a remote control knob for easy subwoofer adjustment.
- It has a small size, making it easy to fit in your car.
What Could Be Improved:
- The remote level control knob is sold separately, which is an extra cost.
Overall, the AudioControl LC2i is a great tool for upgrading your car’s sound. It brings powerful bass and clear sound to your favorite tunes.
3. NVX XLCA2 X-Series 2-Channel Line Out Converter Digital Bass Enhancer with xBOOST and Remote Level Control
Rating: 8.9/10
Unlock the full potential of your car’s sound system with the NVX XLCA2 X-Series 2-Channel Line Out Converter. This device is designed to make your music sound bigger and better, especially the bass. It’s a smart upgrade for anyone who loves a powerful audio experience on the road.
What We Like:
- Handles Big Power: It can take speaker signals up to 400 watts, so it works with almost any car stereo.
- Awesome Bass Boost: The xBOOST technology makes your bass sound deep and strong without making it sound fuzzy.
- Saves Power: The Auto-On feature means it only turns on when your car is running, saving your battery.
- Easy Bass Control: The included remote lets you change the bass level right from your dashboard.
- Flexible Setup: It has multiple outputs, making it easy to connect to different amplifiers and set up advanced sound systems.
What Could Be Improved:
- Installation Might Need Help: For some people, connecting it might be a little tricky.
- Advanced Features for Experts: The multiple output options are great, but might be more than a beginner needs.
The NVX XLCA2 is a fantastic way to get that booming bass you crave and a cleaner signal for your amplifier. It’s a solid choice for upgrading your car’s audio.
4. PAC SNI-35 Variable LOC Line Out Converter 1.2×6.25×5.9
Rating: 9.0/10
The PAC SNI-35 Variable LOC Line Out Converter is a handy gadget for anyone wanting to upgrade their car’s sound system. It’s designed to help you connect a new amplifier to your car’s original radio. Many factory radios don’t have the right kind of connections (called RCA inputs) for modern amplifiers. This converter bridges that gap. It takes the speaker-level audio signals from your factory radio and transforms them into the low-level RCA signals your amplifier needs. This means you can add more power and enjoy better sound without replacing your entire head unit.
What We Like:
- It lets you add an amplifier to your factory radio.
- It converts speaker-level output to RCA-level input.
- It uses an audio transformer to block unwanted noise.
- It helps keep your audio signal in phase for better sound.
- It’s adjustable, giving you control over the output level.
What Could Be Improved:
- The physical size might be a little large for some tight spaces.
- Installation can be a bit tricky for beginners without clear instructions.
This converter is a solid choice for upgrading your car audio. It effectively solves the problem of connecting aftermarket amplifiers to factory radios.
5. 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: 9.1/10
Upgrade your car’s sound system with the Scosche LOC2SL Line Output Converter. This handy device lets you connect your factory car stereo to a new amplifier, even if your stereo doesn’t have RCA outputs. It’s perfect for adding a subwoofer and improving your overall audio quality. The included remote knob gives you easy control over your bass.
What We Like:
- It works with many different car stereos, making it super versatile.
- You can easily connect your old stereo to a new amplifier without a lot of complicated wiring.
- It helps your subwoofer sound clearer and more powerful, giving you a better listening experience.
- The converter is small and tough, so it fits almost anywhere and lasts a long time.
- It sends a clean and strong signal, which means your music will sound great.
- Scosche is a trusted brand, and they offer lifetime tech support and a warranty.
What Could Be Improved:
- While installation is generally easy, some users might find the initial setup a bit tricky if they aren’t familiar with car audio.
- The included instructions could be a little clearer for complete beginners.
The Scosche LOC2SL is a smart choice for anyone wanting better sound in their car. It’s a reliable way to boost your audio performance.
Choosing the Right Line Output Converter for Your Car Audio System
Want to upgrade your car’s sound but stuck with a factory radio that doesn’t have fancy RCA outputs? A line output converter is your secret weapon! This handy device lets you connect aftermarket amplifiers and subwoofers to your stock stereo. Let’s dive into what makes a good one.
What to Look For: Key Features
1. Signal Conversion Quality
The most important job of a line output converter is to turn your speaker-level audio signals (what your factory radio sends to its speakers) into the clean, low-level RCA signals that amplifiers need. Look for converters that promise clear, uncolored sound. Good ones won’t add static or distortion.
2. Power Handling
Your factory radio’s output power is usually pretty low. A good converter can handle these signals without overheating or failing. Check the converter’s specifications to make sure it’s rated for the power output of your car’s stereo.
3. Ground Loop Isolation
This is a big one! A common problem with aftermarket audio is a buzzing or humming noise called a ground loop. Many good converters have built-in isolation to prevent this annoying sound.
4. Built-in Amplifier Turn-On (Remote Turn-On Output)
Most amplifiers need a small signal to tell them when to turn on and off. Some converters have a “remote turn-on” wire that gets this signal from your stereo. This means you don’t need to run a separate wire from your ignition.
5. Adjustable Gain/Output Level
Some converters let you adjust how strong the RCA signal is. This can be helpful for matching the output to your amplifier’s input sensitivity, ensuring you get the best sound without clipping (distortion).
Materials Matter: What They’re Made Of
1. Wiring and Connectors
Good quality copper wiring is essential for a clean signal. Look for durable connectors that fit snugly. Cheap, flimsy connectors can cause poor connections and sound issues.
2. Housing Material
The outer shell of the converter protects the internal electronics. A sturdy plastic or metal housing helps keep things safe from bumps and vibrations in your car.
Quality Factors: What Makes a Difference
1. Brand Reputation
Sticking with well-known car audio brands often means better quality. These companies have a history of making reliable products.
2. Reviews and Ratings
See what other users say! Online reviews can tell you a lot about how a converter performs in real-world situations. High ratings and positive comments are good signs.
3. Simplicity vs. Complexity
While some converters offer many features, sometimes the simplest ones perform best. A converter that focuses on excellent signal conversion without unnecessary bells and whistles can be a great choice.
User Experience and Use Cases
1. Easy Installation
Most line output converters are designed to be relatively easy to install, often connecting directly to your factory speaker wires. Clear instructions are a big help.
2. Improving Stock Sound
The primary use case is to add an amplifier for more power and better bass. This transforms your car’s audio from weak and tinny to full and rich.
3. Keeping Your Factory Head Unit
If you like the look and features of your car’s original radio but want better sound, a line output converter is the perfect solution. You don’t have to replace your entire dashboard.
4. Troubleshooting Sound Issues
Sometimes, a high-quality line output converter can even clean up a noisy factory audio signal, leading to a clearer overall sound.
Choosing the right line output converter means you can enjoy your favorite music with powerful, clear sound without a complicated setup.
Frequently Asked Questions (FAQs)
Q: What is a line output converter?
A: A line output converter changes the speaker-level audio signal from your factory car radio into a low-level RCA signal that an amplifier can use.
Q: Do I need a line output converter if my car radio has RCA outputs?
A: No, if your factory radio already has RCA outputs, you can connect your amplifier directly.
Q: Will a line output converter affect my radio’s sound quality?
A: A good quality converter will not negatively affect your sound quality. A cheap one might add noise or distortion.
Q: How do I know what kind of converter to buy?
A: Consider the power output of your factory radio and whether you need features like ground loop isolation or a remote turn-on output.
Q: Can I install a line output converter myself?
A: Yes, many people can install them with basic car audio knowledge. Wiring diagrams are usually provided.
Q: What is a ground loop and how does a converter help?
A: A ground loop is a buzzing noise caused by different ground points in your car’s electrical system. Converters with isolation break this loop.
Q: What does “adjustable gain” mean on a converter?
A: It means you can control the strength of the RCA signal the converter sends out, helping to match it to your amplifier.
Q: How do I connect the converter to my car’s wiring?
A: You typically tap into the speaker wires coming from your factory radio and connect them to the converter’s input terminals.
Q: Can I use a line output converter with a factory amplifier?
A: It depends on the factory amplifier. Some can work, but it’s often better to bypass the factory amp if you’re adding a new one.
Q: Are all line output converters the same?
A: No, they vary greatly in quality, features, and their ability to produce a clean audio signal.
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.




