Top 5 Line Output Converters: Car Audio Upgrade Guide

Have you ever wanted to upgrade your car’s stereo but felt stuck because of confusing wires and complicated terms? You’re not alone! Many car owners dream of better sound, but the thought of rewiring their entire system can be overwhelming. It’s like trying to solve a puzzle with missing pieces when you can’t figure out how to connect your new amplifier to your factory radio.

This is where a Line Output Converter, or LOC, comes in. But choosing the right one can feel like another puzzle. There are so many different types, and you might be wondering which one will work best for your car and your goals. Will it give you the clear, powerful sound you want, or will it create more problems?

Don’t worry! By the end of this post, you’ll understand exactly what a Line Output Converter is and why it’s a must-have for many car audio upgrades. We’ll break down the confusing parts so you can feel confident about choosing the perfect LOC. Get ready to unlock better sound in your ride!

Our Top 5 Line Output Converter Car Audio Recommendations at a Glance

Top 5 Line Output Converter Car Audio Detailed Reviews

1. Kicker 46KISLOC2 K-Series Stereo Line-Output Converter w/Remote Turn-On Output

Kicker 46KISLOC2 K-Series Stereo Line-Output Converter w/Remote Turn-On Output

Rating: 8.5/10

Want to add a powerful amplifier to your car’s stereo but don’t have RCA outputs? The Kicker 46KISLOC2 K-Series Stereo Line-Out Converter is your solution! This clever device lets you connect an amplifier to almost any factory radio, transforming your car’s sound system. You’ll hear every detail, from the highest highs to the deepest lows, just as the artist intended.

What We Like:

  • Easily add an amplifier to your factory car stereo.
  • Converts speaker wires into RCA signals for your amp.
  • Provides a 12-volt remote turn-on signal automatically.
  • Handles up to 55 watts of input, so it works with most factory radios.
  • Delivers true sonic accuracy for a better listening experience.

What Could Be Improved:

  • Installation might require some basic wiring knowledge.
  • The remote turn-on output is limited to 100 milliamps, which is fine for most amps but could be an issue for very high-power setups.

This Kicker converter makes upgrading your car audio simple and effective. It’s a fantastic way to get better sound without replacing your entire head unit.

2. AudioControl LC1i Active 2-Channel Line Driver/Line Output Converter

AudioControl LC1i Active 2-Channel Line Driver/Line Output Converter, Provides Input Signal to Add Amplifier to Factory Car Radio, Impedance Matching, Distortion Free

Rating: 9.3/10

The AudioControl LC1i is a game-changer for anyone wanting to add a powerful amplifier to their car’s sound system without replacing their factory radio. This 2-channel line driver and output converter makes it easy. It takes the speaker-level signal from your existing radio, even if it’s a high-power one, and turns it into a clean, strong signal that your amplifier will love. You get to keep your factory radio’s look and feel while enjoying awesome sound quality.

What We Like:

  • It handles really high speaker-level inputs, up to 400 watts, so it won’t get overwhelmed.
  • It gives you a strong output signal, up to 9.5 Vrms, which is perfect for most amplifiers.
  • It turns on automatically when it detects a signal or a small DC voltage, so no extra wires are needed for that.
  • The level control and clear LED indicator make it simple to set up and use correctly.
  • The special load selection switch helps your factory stereo work perfectly with the LC1i, preventing shutdowns.
  • It’s designed to work smoothly with both factory and aftermarket car stereos.

What Could Be Improved:

  • The instructions could be a bit clearer for complete beginners.
  • While it’s generally distortion-free, extremely high input levels might require careful setup.

This AudioControl LC1i is a smart and effective way to upgrade your car audio. It bridges the gap between your factory radio and your new amplifier, delivering a clean signal for a better listening experience.

3. 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

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

Upgrade your car’s sound system with the Scosche LOC2SL Line Output Converter. This handy device lets you connect your factory car stereo to an aftermarket amplifier. It turns speaker-level signals into RCA line-level signals. This means you can get better sound, especially for your subwoofer. The LOC2SL is easy to install and works with many car audio systems.

What We Like:

  • It works with many car radios.
  • It helps you add a new amplifier easily.
  • It makes your music sound clearer and better.
  • It’s small and built to last.
  • It gives you a clean and strong audio signal.
  • Scosche offers lifetime tech support and a warranty.
  • The remote control knob lets you adjust bass easily.

What Could Be Improved:

  • Some users might find the wiring instructions a bit tricky at first.
  • While it’s compact, fitting it might require some careful planning in very small spaces.

The Scosche LOC2SL is a smart choice for anyone wanting better car audio. It offers great sound and an easy way to upgrade your system.

4. AudioControl LC2i 2 Channel Line Out Converter with AccuBASS and Subwoofer Control

AudioControl LC2i 2 Channel Line Out Converter with AccuBASS and Subwoofer Control

Rating: 8.7/10

The AudioControl LC2i is a fantastic tool for anyone wanting to upgrade their car’s sound system. It lets you connect your factory radio, even one that doesn’t have RCA outputs, to an aftermarket amplifier. This means you can get better sound without replacing your whole stereo. It handles powerful signals from your speakers and gives you a clean signal for your amp. Plus, it has special features to make your bass sound even better.

What We Like:

  • It accepts big signals from your speakers, up to 400 watts each channel.
  • You get both fixed and adjustable outputs to control your sound.
  • AccuBASS fixes the bass that factory radios often cut out.
  • It’s small and fits easily in your car.
  • You can add a separate knob to control bass from the driver’s seat.

What Could Be Improved:

  • The remote dash knob is sold separately.

The AudioControl LC2i is a smart upgrade for better car audio. It gives you the flexibility to add an amplifier and enjoy richer, fuller sound.

5. KICKER 46KISLOC K-Series Interconnect

KICKER 46KISLOC K-Series Interconnect, Speaker to RCA W/Line-Out Converter

Rating: 8.9/10

Upgrading your car’s sound system can be tricky, especially when your factory radio doesn’t have the right connections. The KICKER 46KISLOC K-Series Interconnect is here to help. This handy device bridges the gap, letting you connect aftermarket amplifiers to your original car stereo, even if it has special protection features. It’s designed to work with radios that can handle up to 55 watts of power and boosts the signal to a strong 8 volts, giving your new speakers the juice they need to sound amazing.

What We Like:

  • Works with most factory radios, even those with short circuit protection.
  • Handles up to 55 watts of input power.
  • Delivers a strong 8 volts of output for clear sound.
  • Doesn’t change the original sound quality (sonically neutral).
  • Compact size fits easily in tight spaces.
  • Makes adding an amplifier to your stock radio simple.

What Could Be Improved:

  • The instructions could be a little clearer for DIY beginners.
  • While it’s a great converter, it doesn’t add any EQ features on its own.

This KICKER converter is a smart solution for anyone wanting better sound without replacing their entire factory radio. It’s a reliable way to get a cleaner, more powerful audio experience in your car.

Choosing the Right Line Output Converter for Your Car Audio System

So, you want to upgrade your car’s sound system, but your factory stereo doesn’t have the fancy RCA jacks needed for an amplifier? Don’t worry! A line output converter (LOC) is your secret weapon. It lets you connect aftermarket gear to your existing head unit. This guide will help you find the perfect one.

What is a Line Output Converter?

A line output converter takes the speaker-level signal from your factory car stereo and turns it into a low-level RCA signal. This RCA signal is what amplifiers and subwoofers need to get their power. Think of it as a translator for your car’s audio.

Key Features to Look For

When you’re shopping for an LOC, keep these important features in mind.

Adjustable Output Levels

Some LOCs let you fine-tune the RCA output voltage. This is super helpful. It lets you match the converter’s signal strength to your amplifier’s needs. This prevents distortion and ensures a cleaner sound.

Remote Turn-On Output

Many LOCs have a special wire. This wire sends a 12-volt signal to your amplifier. It tells the amp to turn on when your stereo is on. This is a big convenience. It means you don’t need to run a separate remote wire from your stereo.

Built-in Ground Loop Isolator

A ground loop isolator stops that annoying humming noise. This noise can happen when different parts of your audio system are connected to ground in different ways. A built-in isolator saves you from buying an extra device.

High-Quality Components

Look for LOCs made with good parts. This means better sound and longer life for the converter.

Important Materials

The materials used in an LOC affect its durability and performance.

Robust Casing

A strong, protective casing keeps the internal parts safe. Metal casings are often more durable than plastic ones.

Quality Wiring and Connectors

Good wires and connectors ensure a solid connection. This helps prevent signal loss and interference. Gold-plated connectors are a good sign of quality.

Factors That Improve or Reduce Quality

Several things can make an LOC work better or worse.

Signal Quality

A good LOC should not add noise or distortion to your audio signal. It should cleanly convert the speaker-level signal.

Ease of Installation

Some LOCs are easier to wire up than others. Look for clear instructions and user-friendly connections. This makes the job much smoother.

Brand Reputation

Stick with well-known brands. These companies usually stand behind their products. They make reliable audio gear.

User Experience and Use Cases

An LOC is perfect for many situations.

Upgrading Factory Stereos

If your car has a factory stereo without RCA outputs, an LOC is a must. It lets you add a powerful amplifier. You can then drive better speakers or a subwoofer.

Preserving Factory Look

You can keep your car’s original head unit. This is great if you like the factory look. You still get the benefits of a high-quality aftermarket sound system.

Adding a Subwoofer

Want more bass? An LOC is the easiest way to connect a subwoofer amplifier to your stock stereo.

For the DIYer

Many people install LOCs themselves. It’s a common car audio upgrade. With the right tools and patience, you can do it.


Frequently Asked Questions About Line Output Converters

Q: What is the main purpose of a line output converter?

A: Its main purpose is to change the speaker-level signal from your car stereo into a low-level RCA signal. This allows you to connect an amplifier or subwoofer to your factory stereo.

Q: Do I need an LOC if my stereo has RCA outputs?

A: No. If your stereo already has RCA outputs, you do not need a line output converter.

Q: Will an LOC affect my car’s sound quality?

A: A good quality LOC should not negatively affect your sound quality. A poor-quality one might add noise or distortion.

Q: How do I connect a line output converter?

A: You connect the LOC to your stereo’s speaker wires. Then, you connect RCA cables from the LOC to your amplifier.

Q: Can I use any LOC with any amplifier?

A: Most LOCs are universal. However, it’s wise to check the output voltage of the LOC and the input sensitivity of your amplifier to ensure compatibility.

Q: What is a “high-to-low level converter”?

A: This is another name for a line output converter. It describes its function of converting a high-level speaker signal to a low-level signal.

Q: How do I know if my car stereo has speaker-level outputs?

A: Most factory car stereos have speaker-level outputs. They send the amplified signal directly to your car’s speakers.

Q: Do all LOCs have a remote turn-on feature?

A: No. Some LOCs include a remote turn-on output wire, while others do not. You’ll need to check the product description.

Q: Where should I mount my line output converter?

A: Mount it in a safe, dry place. Often, it’s installed near the stereo or amplifier.

Q: Can I install an LOC myself?

A: Yes, many car owners install LOCs themselves. It requires basic wiring knowledge and tools.

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.