Choosing the best line out converter for car audio improves sound quality and system compatibility. It helps connect aftermarket amplifiers to factory stereos easily.
A line out converter lowers speaker-level signals to RCA-level outputs for amplifiers and subwoofers. This device ensures clean, noise-free sound in your car audio system. Many models offer features like remote turn-on outputs and bass control for better performance. Popular options include the Kicker 46KISLOC2, Scosche LOC2SL, and AudioControl LC2i.
These converters fit various setups and are easy to install, even for beginners. Using a quality line out converter prevents distortion and matches impedance between components. This guide covers top converters to help you pick the right one for your car audio upgrade. Simple, reliable, and effective sound solutions await you.
Kicker K-series Stereo Line-output Converter

The Kicker 46KISLOC2 K-Series Stereo Line-Output Converter with Remote Turn-On Output is ideal for car audio enthusiasts looking to upgrade their factory-installed sound system without replacing the entire head unit. This device is perfect for those who want to connect aftermarket amplifiers to factory radios that lack preamp outputs, ensuring high-quality audio conversion and seamless integration. If you’re seeking an efficient solution to enhance your car audio experience with minimal hassle, this product is designed for you.
Pros:
- Provides clear and noise-free line-level outputs for aftermarket amplifiers
- Includes a remote turn-on output for easy amplifier control
- Compact and lightweight design (2.0″ H x 5.0″ W x 6.0″ L, 0.2 lbs) for easy installation
- Manufactured by trusted brand Kicker, known for durable audio accessories
- Simple plug-and-play connectivity reduces installation time
Cons:
- Limited to stereo signal conversion, not suitable for multi-channel surround sound systems
- Requires basic knowledge of car audio wiring for proper installation
The Kicker 46KISLOC2 boasts a compact design that fits easily into most vehicle dashboards without taking up much space. Its primary function is to convert speaker-level signals from factory radios into line-level outputs, enabling the connection of aftermarket amplifiers. This feature is particularly beneficial for users who want to boost their audio system’s power and clarity without changing the original head unit. Additionally, the built-in remote turn-on output simplifies amplifier control, ensuring the amp powers on and off in sync with the vehicle’s stereo system.
Beyond its functional advantages, this line-output converter enhances audio fidelity by minimizing signal distortion and reducing unwanted noise. The reliable build quality from Kicker guarantees long-lasting performance even in demanding automotive environments. Overall, this device offers an effective and affordable way to upgrade your car audio system, making it a valuable addition for anyone looking to enjoy richer, cleaner sound on the road.
To buy this product, click here.
Scosche Loc2sl Line Output Converter With Remote Control Knob

The Scosche LOC2SL Line Output Converter with Remote Control Knob is perfect for car audio enthusiasts who want to upgrade their sound system without replacing the factory head unit. Ideal for those looking to add a subwoofer amplifier or improve their audio quality with a reliable line level converter, this product suits anyone aiming for easy installation and enhanced sound performance in their vehicle.
Pros:
- High/Low RCA converter ensures compatibility with various audio setups.
- Includes a remote control knob for convenient bass level adjustment.
- Easy installation saves time and effort during setup.
- Compact and lightweight design (0.4 pounds) fits seamlessly in most vehicles.
- Delivers quality sound by reducing noise and distortion.
Cons:
- Only supports 2 channels, limiting use for more complex audio systems.
- Remote control knob cable length may be short for some vehicle layouts.
The Scosche LOC2SL features a robust 2-channel high/low RCA conversion that allows users to connect factory stereos to aftermarket amplifiers with ease. This ensures that the sound signals are properly matched, preventing distortion and maximizing audio clarity. Additionally, the included remote control knob provides users with quick and precise control over the subwoofer output, enhancing the overall listening experience without needing to adjust settings directly on the amplifier.
Designed for simple and straightforward installation, the LOC2SL is lightweight and compact, making it an excellent choice for those who want to upgrade their car audio system without complicated wiring or modifications. Its ability to deliver clean, high-quality sound makes it particularly beneficial for bass enthusiasts who want to add a subwoofer to their existing setup without sacrificing sound fidelity.
To buy this product, click here.
Nuith Car Audio Speaker Wire To Rca Line Output Converter

The NuIth Car Audio Speaker Wire to RCA Line Output Converter is ideal for car audio enthusiasts looking to enhance their vehicle’s audio system without replacing the stock stereo. It is perfect for those who want to add an amplifier or subwoofer to their existing setup, providing a seamless way to enjoy richer sound quality and deeper bass. This product is especially beneficial for individuals who desire to amplify their audio experience without extensive modifications to their car’s original sound system.
Pros:
- Easy installation with plug-and-play setup.
- Compact design fits easily in tight spaces.
- Compatible with most factory stereos, allowing for versatile use.
- Improves audio quality by converting high-level signals to low-level RCA outputs.
Cons:
- May require additional grounding to eliminate noise interference.
- Not suitable for vehicles with highly complex audio systems.
The NuIth Car Audio Speaker Wire to RCA Line Output Converter features a 2-channel high to low RCA converter, which is crucial for effectively adding an amplifier or subwoofer to a stock stereo system. This feature ensures that users can enjoy enhanced sound quality without the need for replacing the entire audio system. The converter’s compact dimensions make it easy to install in a variety of vehicles, even those with limited space.
Another significant advantage of this product is its compatibility with most factory stereos. This means users can upgrade their audio system without worrying about compatibility issues. The black color of the converter allows it to blend seamlessly with most car interiors, maintaining the aesthetic appeal of the vehicle. The lightweight design (0.220462262 pounds) ensures that it does not add unnecessary weight to the car, thus preserving the vehicle’s performance.
To buy this product, click here.
Kicker K-series Interconnect

The KICKER 46KISLOC K-Series Interconnect, Speaker to RCA W/Line-Out Converter is ideal for car audio enthusiasts and professionals who want to upgrade their vehicle’s sound system. If you’re looking to connect speaker-level outputs to RCA inputs for amplifiers or other audio devices, this product is designed specifically for you. It’s perfect for those seeking a simple, reliable solution to enhance sound quality without the need for complex wiring modifications.
Pros:
- Compact design with dimensions of 0.5″ height, 2.0″ width, and 4.5″ length for easy installation.
- Converts speaker-level signals to RCA output, allowing compatibility with a wide range of audio equipment.
- Lightweight at only 0.1 pounds, making it portable and convenient.
- Manufactured by Kicker, a trusted brand in car audio technology.
Cons:
- Limited to speaker-to-RCA conversion; not suitable for other types of audio connections.
- May require basic knowledge of car audio wiring for proper installation.
The KICKER 46KISLOC K-Series Interconnect features a straightforward design that easily converts speaker-level signals to RCA outputs, enabling seamless integration with aftermarket amplifiers or head units. This functionality allows users to retain their factory speakers while upgrading to a more powerful audio system, preserving original equipment and avoiding costly speaker replacements. The compact size ensures it fits discreetly within your vehicle without taking up much space.
Additionally, the device’s build quality reflects Kicker’s commitment to durability and performance, ensuring consistent audio signal conversion with minimal interference or signal loss. This results in clearer sound reproduction and improved overall audio experience. Its lightweight construction also simplifies handling and installation, making it a practical choice for both DIY enthusiasts and professional installers looking to enhance vehicle sound systems efficiently.
To buy this product, click here.
Audiocontrol Lc2i

The AudioControl LC2i 2 Channel Line Out Converter with AccuBASS and Subwoofer Control is ideal for car audio enthusiasts and professionals who want to upgrade their factory-installed sound systems. If you have an existing head unit without preamp outputs or want to add a subwoofer while maintaining excellent sound quality, this device is perfect for you. It allows seamless integration of aftermarket amplifiers and subwoofers, enhancing your car audio experience without the need to replace the entire system.
Pros:
- Provides high-quality line-level outputs from factory speaker outputs
- Includes patented AccuBASS technology to restore bass frequencies lost in factory systems
- Offers subwoofer level control for precise bass adjustment
- Compact and sleek design with durable black finish
- Easy installation with clear input/output connections
Cons:
- Limited to 2 channel conversion, not suitable for multi-channel audio setups
- May require professional installation for optimal performance
- Price might be higher compared to basic line out converters
The AudioControl LC2i excels by converting speaker-level signals into clean, noise-free line-level outputs, allowing users to add aftermarket amplifiers and subwoofers without the hassle of rewiring or replacing factory head units. Its patented AccuBASS technology compensates for the bass frequencies that factory systems often cut off, delivering richer and fuller sound that greatly enhances music enjoyment. Additionally, the subwoofer control knob gives users the flexibility to fine-tune bass output to match personal preferences and vehicle acoustics.
With compact dimensions (6.5 inches height, 3.25 inches width, and 1.5 inches length) and a sturdy black design, the LC2i fits discreetly into most vehicle setups. It combines user-friendly features with professional-grade audio processing, making it a valuable upgrade for anyone looking to improve sound clarity and bass response. Whether you are an audiophile or just want better sound quality from your car’s audio system, this line out converter offers a reliable and effective solution.
To buy this product, click here.
Pac Sni-35 Variable Loc Line Out Converter

The PAC SNI-35 Variable LOC Line Out Converter is ideal for car audio enthusiasts and professionals who want to seamlessly integrate aftermarket amplifiers with factory stereo systems. If you are looking to upgrade your vehicle’s sound system without replacing the entire head unit, this compact and efficient device is the perfect solution. It is especially suitable for those who require a reliable method to convert high-level speaker outputs into low-level RCA signals.
Pros:
- Compact and lightweight design for easy installation in tight spaces.
- Variable line output control allows precise adjustment of audio levels.
- Compatible with a wide range of factory and aftermarket stereo systems.
- High-quality construction ensures durability and long-term performance.
- Improves sound clarity by providing a clean signal to amplifiers.
Cons:
- Requires some technical knowledge for proper installation and adjustment.
- Limited to use with systems that have high-level speaker outputs.
The PAC SNI-35 features a variable line output converter that transforms high-level speaker signals into low-level RCA outputs, enabling seamless compatibility with aftermarket amplifiers. Its adjustable gain control ensures you can fine-tune the audio signal to match your amplifier’s input, reducing distortion and noise for an enhanced listening experience. This feature is particularly beneficial when integrating with factory stereos that do not have dedicated preamp outputs.
Measuring just 1.2 x 6.25 x 5.9 inches and weighing only 0.2 pounds, the PAC SNI-35 is designed for easy installation in a variety of vehicles without taking up much space. Its robust black casing provides durability and protection against everyday wear and tear. Overall, this device enhances your vehicle’s audio system by delivering a clean, adjustable output that maximizes the performance of your aftermarket components.
To buy this product, click here.
Skar Audio Skar2ch-loc 2-channel Speaker Wire To Rca Line-out Converter

The Skar Audio SKAR2CH-LOC 2-Channel Speaker Wire to RCA Line-Out Converter is ideal for car audio enthusiasts and DIY installers who want to upgrade their sound systems without replacing factory head units. This device is perfect for those looking to add aftermarket amplifiers or external audio components by converting speaker-level outputs into RCA line-level signals. If you want to enhance your car audio experience with minimal hassle, this converter is a practical solution.
Pros:
- Compact design with dimensions of just 1.0 x 1.0 x 2.0 inches, making installation in tight spaces easy.
- Converts speaker wire signals to RCA line-level outputs, allowing seamless connection to aftermarket amplifiers.
- Manufactured by Skar Audio, a trusted brand known for reliable car audio products.
- Simple plug-and-play installation, no complex wiring or modifications required.
Cons:
- Limited to 2-channel output, which may not be suitable for users needing multi-channel or surround sound setups.
- Does not amplify the signal, so additional amplification equipment is required for higher power systems.
The Skar Audio SKAR2CH-LOC converter is engineered to transform standard speaker wire signals into clean RCA line-out signals, allowing users to integrate aftermarket audio components easily. Its compact size ensures it can fit discreetly behind dashboards or inside audio compartments without adding bulk or complexity. The device’s build quality reflects Skar Audio’s commitment to durability and consistent performance, making it a reliable choice for upgrading your vehicle’s audio system.
With this converter, users benefit from a straightforward method to expand their sound system capabilities without the need to replace factory head units or perform complicated rewiring. By providing a stable and noise-free line-level output, it enhances sound clarity when connecting to external amplifiers, resulting in a richer and more powerful audio experience. Whether you are a novice installer or a seasoned car audio enthusiast, the SKAR2CH-LOC offers an efficient and cost-effective way to elevate your in-car entertainment system.
To buy this product, click here.
Ct Sounds Ct-lc2 2-channel Premium Line-out Converter

The CT Sounds CT-LC2 2-Channel Premium Line-Out Converter with BassLift is ideal for car audio enthusiasts who want to upgrade their factory stereo system without replacing the head unit. If you are looking to improve sound quality by adding an aftermarket amplifier or subwoofer, this device is perfect for converting high-level speaker outputs to low-level RCA outputs, ensuring compatibility with advanced audio equipment.
Pros:
- High-quality 2-channel line-out conversion for seamless integration with aftermarket amplifiers
- BassLift feature enhances low-frequency response for richer bass
- Compact and durable design built by trusted brand CT Sounds
- Easy installation saves time and effort during setup
Cons:
- Limited to 2-channel output, which may not suit more complex audio systems
- No built-in volume control or advanced tuning options
The CT Sounds CT-LC2 excels in converting high-level speaker signals to low-level RCA outputs, enabling users to connect aftermarket amplifiers easily. The integration of the BassLift feature allows for a noticeable boost in bass frequencies, providing a fuller and deeper sound experience without requiring additional equalizers or processors. This makes it a valuable addition for those aiming to enhance their car audio system’s overall performance.
Additionally, the device is designed with simplicity and durability in mind. Its compact size ensures it fits neatly within most vehicle interiors, while the robust construction guarantees long-lasting performance. By choosing a trusted manufacturer like CT Sounds, customers can be confident in the reliability and sound quality improvements delivered by the CT-LC2 line-out converter.
To buy this product, click here.
Audiocontrol Lc1i Active 2-channel Line Driver/line Output Converter

The AudioControl LC1i Active 2-Channel Line Driver is ideal for car audio enthusiasts who want to enhance their factory car radio setup by adding an external amplifier. If you are looking to improve sound quality without replacing your existing head unit, or if you need to ensure proper impedance matching and maintain distortion-free audio signals, this device is a perfect choice. It is especially suited for users who demand high fidelity sound and easy integration with their vehicle’s original audio system.
Pros:
- Provides clean and accurate input signal conversion to add an amplifier
- Ensures impedance matching for optimal audio performance
- Delivers distortion-free sound quality
- Compact design with dimensions of 1.0 x 3.0 x 4.8 inches and lightweight build
- Easy installation compatible with most factory car radios
Cons:
- Limited to 2-channel audio systems, not suitable for multi-channel setups
- Requires basic knowledge of car audio wiring for installation
The AudioControl LC1i is designed to take the low-level output from your factory car radio and convert it into a high-quality signal suitable for powering an aftermarket amplifier. This ensures that your upgraded audio system receives a clean, strong signal without introducing noise or distortion. Its ability to perform precise impedance matching prevents damage to your amplifier and optimizes the overall sound quality. The black compact unit measures just 1 inch high, 3 inches wide, and 4.8 inches long, making it easy to fit discreetly within your vehicle’s audio setup.
By adding this line driver, users benefit from enhanced sound clarity and increased volume capabilities while maintaining the integrity of the original sound source. The distortion-free conversion preserves the natural audio characteristics, resulting in a more enjoyable listening experience. Whether you are upgrading a basic factory stereo or integrating a high-end amplifier, the AudioControl LC1i provides a reliable and effective solution for improved car audio performance.
To buy this product, click here.
Soundqubed Active 5-channel Car Audio Line Out Convertor

The SoundQubed Active 5-Channel Car Audio Line Out Convertor is ideal for car audio enthusiasts and DIY installers who want to upgrade their sound system without replacing the head unit. If you have a factory stereo system and need to connect aftermarket amplifiers or speakers that require low-level inputs, this device is designed to seamlessly convert high-level speaker signals to low-level line outputs. It’s perfect for those seeking enhanced audio performance while retaining their original head unit.
Pros:
- Converts high-level signals to low-level outputs for better sound system integration
- Supports 5 channels, allowing connection to multiple amplifiers or speakers
- Compact and lightweight design (1.5″ H x 3.75″ W x 5.0″ L, 0.5625 pounds) fits easily in most vehicle setups
- Manufactured by reputable brand SoundQubed, ensuring quality and reliability
Cons:
- Requires basic knowledge of car audio wiring for installation
- May not be compatible with all factory head units without additional adapters
The SoundQubed Active 5-Channel Car Audio Line Out Convertor boasts a compact design that fits discreetly within your vehicle’s audio setup. By converting high-level speaker signals to low-level outputs, it enables users to connect aftermarket amplifiers without the distortion or signal loss that can occur when using speaker-level inputs. This feature dramatically improves audio clarity and overall sound quality, providing a richer listening experience.
Additionally, the device supports five separate channels, allowing for versatile audio configurations. This flexibility means you can drive multiple speakers or amplifiers independently, tailoring your system to suit your preferences. The lightweight design and trusted SoundQubed manufacturing ensure durability and ease of installation, making it a valuable addition to any car audio upgrade project.
To buy this product, click here.
Frequently Asked Questions
What Is A Line Output Converter In Car Audio?
A line output converter (LOC) converts high-level speaker signals to low-level RCA outputs. It enables adding amplifiers or subwoofers to factory stereos without RCA outputs. LOCs like Kicker 46KISLOC2 ensure clean, distortion-free audio signal conversion for better sound quality and easy installation.
How Do Remote Turn-on Outputs Improve Loc Functionality?
Remote turn-on outputs allow the LOC to power amplifiers automatically. When the stereo turns on, the LOC sends a signal to switch on the amp. This feature, found in models like Scosche LOC2SL, simplifies wiring and prevents battery drain by powering amps only when needed.
Which Loc Is Best For Adding A Subwoofer To Stock Stereo?
The NuIth Car Audio Speaker Wire to RCA converter is ideal for subwoofers. It converts speaker outputs to RCA inputs, enabling seamless subwoofer integration. This 2-channel LOC offers easy installation and high sound quality, making it perfect for upgrading factory stereo systems.
Can Locs Reduce Audio Distortion In Car Systems?
Yes, quality LOCs like AudioControl LC2i minimize distortion. They convert signals accurately and maintain sound integrity. Features like AccuBASS and subwoofer control further enhance audio clarity, ensuring a clean, balanced output even when adding external amplifiers.
Are Locs Compatible With All Car Stereo Systems?
Most LOCs, including PAC SNI-35 and Skar Audio SKAR2CH-LOC, work with factory stereos lacking RCA outputs. They adapt speaker-level signals for amplifiers. However, compatibility depends on stereo output type and wiring, so verifying your car model and LOC specifications is essential before purchase.
How Important Is Easy Installation In Choosing A Loc?
Easy installation is crucial for convenience and time-saving. LOCs like Scosche LOC2SL feature plug-and-play designs with remote control knobs. This reduces wiring complexity and allows quick setup, making them suitable for DIY enthusiasts and professionals alike.
Conclusion
Choosing the best line out converter for your car audio system helps improve sound quality. These converters turn speaker-level signals into RCA outputs. This makes it easier to add amplifiers or subwoofers. Models like the Kicker 46KISLOC2 and Scosche LOC2SL offer reliable performance and easy installation.
Others, such as the AudioControl LC2i, provide extra bass control for a richer sound. Consider your needs, like the number of channels and control options. Also, check if the converter fits your car’s stereo system. A good line out converter can make your music clearer and more powerful.
It is a simple way to upgrade your car audio without replacing the entire stereo. Take your time to pick the right one that matches your setup and budget. Enjoy better sound on every drive with the right line out converter.