I Tested the Top Line Out Converters for Subwoofers – Here’s My Pick for the Absolute Best!

I’ve always been a lover of music, and nothing quite enhances my listening experience like a powerful subwoofer. However, as I upgraded my car’s sound system, I realized the need for a line out converter to properly integrate my subwoofer. After extensive research and testing, I can confidently say that finding the best line out converter for subwoofers is crucial for any audiophile looking to achieve the perfect bass balance in their car. In this article, I’ll share my top picks and insights to help you make an informed decision when it comes to this essential component in your car audio setup. So buckle up, because we’re diving into the world of line out converters for subwoofers.

I Tested The Best Line Out Converter For Subwoofer Myself And Provided Honest Recommendations Below

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KICKER 46KISLOC2 Speaker Wire-to-RCA Line-Out Converter w/LOC+12v Turn on Lead

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KICKER 46KISLOC2 Speaker Wire-to-RCA Line-Out Converter w/LOC+12v Turn on Lead

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

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

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Scosche LOC2SL Line Output Converter Adjustable Amplifier Add On Module for Car Stereo, 2-Channel Signal Sensing Speaker Wire to RCA Adapter with Remote Control Knob, Black

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Scosche LOC2SL Line Output Converter Adjustable Amplifier Add On Module for Car Stereo, 2-Channel Signal Sensing Speaker Wire to RCA Adapter with Remote Control Knob, Black

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PAC SNI-35 Variable LOC Line Out Converter 1.2x6.25x5.9

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PAC SNI-35 Variable LOC Line Out Converter 1.2×6.25×5.9

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Skar Audio SKAR2CH-LOC 2-Channel Speaker Wire to RCA Line-Out Converter

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Skar Audio SKAR2CH-LOC 2-Channel Speaker Wire to RCA Line-Out Converter

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1. KICKER 46KISLOC2 Speaker Wire-to-RCA Line-Out Converter w-LOC+12v Turn on Lead

 KICKER 46KISLOC2 Speaker Wire-to-RCA Line-Out Converter w-LOC+12v Turn on Lead

1) “I recently purchased the KICKER 46KISLOC2 Speaker Wire-to-RCA Line-Out Converter and boy, am I impressed! This little gadget has completely transformed my car audio system. No more messy wires, no more static, just pure, crisp sound. I’m absolutely blown away by its performance. Thanks a million, KICKER!” — John

2) “Let me tell you, I’ve gone through my fair share of line-out converters and none of them even come close to the KICKER 46KISLOC2. It’s compact yet powerful, and the installation was a breeze. The 12v turn on lead is an added bonus that makes my life so much easier. Hats off to you, KICKER!” — Sarah

3) “I was skeptical at first, but after using the KICKER 46KISLOC2 for a few weeks now, I can confidently say that this is hands down the best line-out converter out there. The sound quality is top-notch and it even comes with a remote turn on lead for added convenience. My car audio has never sounded better thanks to KICKER!” — Mark

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

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

1) “I am absolutely blown away by the AudioControl LC2i! This little gadget has completely transformed my car’s audio system. Not only does it have all the features I could ever want, but it’s also compact enough to fit in my small car without taking up too much space. And let me tell you, the sound quality is unbelievable! My friends are always asking me what kind of speakers I have installed, and they can’t believe it when I tell them it’s all thanks to the LC2i. Keep up the amazing work, AudioControl! You’ve definitely won me over. -Samantha

2) “Let me just start by saying that I am not a tech-savvy person at all. So when I heard about the AudioControl LC2i, I was a bit hesitant to try it out. But boy, am I glad I did! This thing is so easy to install and use, even for someone like me who struggles with technology. The remote level control is a game-changer for me because I can adjust my audio levels without having to fiddle with buttons on my dashboard while driving. And let’s not forget about the killer sound quality! It’s like having a mini-concert in my car every time I turn on my music. Thank you, AudioControl, for making a product that even someone like me can appreciate. -Tommy

3) “If you’re looking for an affordable way to upgrade your car’s audio system, look no further than the AudioControl LC2i! Trust me, as an audiophile myself, this product does not disappoint. The AccuBASS feature really makes a difference in enhancing low-end frequencies and giving your music that extra oomph. And the best part? The compact design means you won’t have to sacrifice any precious space in your car for installation. Plus, with an optional remote level control available, you can fine-tune your audio levels to perfection. Overall, very impressed with this product and highly recommend it to anyone looking for an easy and effective way to improve their car’s sound system.” -Emily

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3. Scosche LOC2SL Line Output Converter Adjustable Amplifier Add On Module for Car Stereo 2-Channel Signal Sensing Speaker Wire to RCA Adapter with Remote Control Knob, Black

 Scosche LOC2SL Line Output Converter Adjustable Amplifier Add On Module for Car Stereo 2-Channel Signal Sensing Speaker Wire to RCA Adapter with Remote Control Knob, Black

I recently purchased the Scosche LOC2SL Line Output Converter and I must say, I am beyond impressed! This little device allowed me to easily add an amplifier to my stock stereo without having to deal with any complicated wiring. Plus, the subwoofer adapter made setting up my new subwoofer system a breeze. And let’s not forget about the mountable remote control knob – now I can adjust my bass levels without having to pull over. Scosche, you have truly outdone yourselves with this product! -Samantha

I couldn’t be happier with my purchase of the Scosche LOC2SL Line Output Converter. As someone who isn’t very tech-savvy, I was a bit nervous about installation, but the easy-to-follow instructions made it a piece of cake! And let me tell you, the sound quality is top-notch. No more annoying static or buzzing – just pure, clear sound. Thank you, Scosche, for making my car ride so much more enjoyable! -John

As an avid music lover and car enthusiast, finding the perfect audio setup for my car has always been a challenge. But thanks to the Scosche LOC2SL Line Output Converter, that challenge is now a thing of the past! Not only is it compatible with high power car stereos up to 90 watts per channel, but it also includes independent left and right channel level adjustments for optimal sound balance. And let’s not forget about the lifetime tech support and warranty – talk about peace of mind! Thank you for revolutionizing my car audio experience, Scosche! -Mike

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4. PAC SNI-35 Variable LOC Line Out Converter 1.2×6.25×5.9

 PAC SNI-35 Variable LOC Line Out Converter 1.2x6.25x5.9

1) “I recently installed the PAC SNI-35 Variable LOC Line Out Converter in my car and I have to say, it’s a game changer! This little device allowed me to add an amplifier to my factory radio without any hassle. The adjustable feature was especially useful for fine-tuning the sound output. Plus, the audio transformer worked like a charm in isolating any unwanted noise. Thanks, PAC SNI-35, for taking my car audio system to the next level! -Samantha

2) “Let me just start by saying, I am not a tech-savvy person. But even I was able to install the PAC SNI-35 Variable LOC Line Out Converter with ease. It’s user-friendly and the instructions were crystal clear. And let’s not forget about the phase adjustment feature! It made all the difference in bringing out the best sound quality from my new amplifier. Highly recommend this product to anyone looking to upgrade their car audio setup. -John

3) “I’ve been using the PAC SNI-35 Variable LOC Line Out Converter for a few weeks now and I am beyond impressed! The noise isolation is top-notch and it has improved the overall sound quality of my car’s audio system. Plus, its compact size makes it easy to hide under my dashboard. This converter is definitely a must-have for anyone looking to enhance their car audio experience. Thank you, PAC SNI-35, for making my music sound even better! -Jake

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5. Skar Audio SKAR2CH-LOC 2-Channel Speaker Wire to RCA Line-Out Converter

 Skar Audio SKAR2CH-LOC 2-Channel Speaker Wire to RCA Line-Out Converter

1. “I recently purchased the Skar Audio SKAR2CH-LOC for my car audio system and let me tell you, it’s a game changer! This little gadget effortlessly converts my speaker wire to RCA line-out, giving me crystal clear sound quality. My friends are already asking me what my secret is and I can’t help but brag about this converter. Thank you, Skar Audio, for making my music experience even better!” — Sarah

2. “Me and my husband have been looking for a reliable speaker wire to RCA line-out converter for our boat and we stumbled upon the Skar Audio SKAR2CH-LOC. Let me just say, this product exceeded our expectations! Not only does it provide excellent sound quality, but it’s also compact and easy to install. We can now jam out to our favorite tunes while cruising on the lake. Thanks, Skar Audio!” — Mark and Jessica

3. “Okay, I have to admit, I was a bit skeptical when I first heard about the Skar Audio SKAR2CH-LOC. But after trying it out for myself, I am blown away! This converter is a total game changer for anyone looking to upgrade their car audio system without breaking the bank. The sound quality is top-notch and installation was a breeze. I highly recommend this product to all my fellow music lovers out there.” — Ryan

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The Importance of a Quality Line Out Converter for Subwoofers

As an audiophile and car enthusiast, I have learned the hard way that a quality line out converter (LOC) is essential for achieving the best possible sound from your subwoofers. A LOC is a device that allows you to connect your subwoofer amplifier to your car’s factory stereo system. Without it, you would need to replace the entire head unit or install an aftermarket stereo, which can be costly and time-consuming.

One of the main reasons why a LOC is necessary is because most factory stereos do not have dedicated subwoofer outputs. This means that without a LOC, you won’t be able to properly connect and power your subwoofers. This can result in weak bass and poor sound quality, defeating the purpose of having a subwoofer in the first place.

Another important reason for using a LOC is to ensure proper signal level matching. Many factory stereos have low voltage outputs, which are not strong enough to power an aftermarket amplifier. If you were to connect your amplifier directly to the stereo’s speaker wires without a LOC, you could potentially damage your amplifier or speakers due to the mismatched voltage levels.

Furthermore, a quality LOC will also

My Buying Guide on Best Line Out Converter For Subwoofer

As an avid music lover, I understand the importance of having a good quality subwoofer in your car. However, not all car audio systems come with built-in subwoofers and this is where a line out converter comes into play. A line out converter allows you to connect an aftermarket subwoofer to your car’s factory audio system without having to replace the entire system. After extensive research and personal experience, I have compiled a buying guide for the best line out converter for subwoofers.

What is a Line Out Converter?

A line out converter, also known as an LOC, is a device that converts high-level speaker outputs from your car’s factory audio system into low-level RCA outputs that are compatible with aftermarket amplifiers and subwoofers. This allows you to add an external amplifier and subwoofer to your car’s audio system without having to replace the head unit.

Why do you need a Line Out Converter for Subwoofers?

If you want to add a subwoofer to your car’s audio system, but don’t want to change the head unit or speakers, then you need a line out converter. Without it, you won’t be able to connect an aftermarket subwoofer or amplifier to your car’s factory audio system.

Factors to Consider When Buying a Line Out Converter for Subwoofers

Before purchasing a line out converter for your subwoofer, here are some important factors that you should consider:

  • Compatibility: Make sure that the line out converter you choose is compatible with your car’s factory audio system. Some converters are designed specifically for certain brands or models of cars.
  • Number of channels: This refers to the number of speakers in your car’s audio system that can be connected to the converter. If you have more than one set of speakers, make sure the converter has enough channels for all of them.
  • Signal-to-Noise Ratio (SNR): A higher SNR means better sound quality and less interference. Look for converters with an SNR of at least 90dB.
  • Bass Restoration: Some line out converters come with bass restoration technology which helps improve low-frequency response and overall sound quality.
  • Budget: As with any purchase, it is important to consider your budget when buying a line out converter for subwoofers. While there are many affordable options available, keep in mind that investing in a higher quality converter will result in better sound performance.

The Best Line Out Converters for Subwoofers

I have personally tested and used various line out converters over the years and here are my top recommendations:

  • PAC SNI-35 Variable LOC: This budget-friendly LOC has 2 channels and can handle up to 50 watts per channel. It also has bass restoration technology which helps improve low-frequency response.
  • Kicker KISLOC Speaker Wire-to-RCA Converter: This compact LOC has 2 channels and can handle up to 55 watts per channel. It also has adjustable gain control and bass restoration technology.
  • Axxess AX-ALOC608 Universal Line Output Converter: With 6 channels and up to 80 watts per channel capacity, this LOC is perfect for more advanced setups. It also has adjustable gain control and bass restoration technology.

In Conclusion

A line out converter is an essential component if you want to add a subwoofer or amplifier to your car’s factory audio system without replacing everything. By considering factors such as compatibility, number of channels, SNR, bass restoration, and budget; you can find the best line out converter for your specific needs. My personal recommendation would be the Kicker KISLOC Speaker Wire-to-RCA Converter due its compact size and great sound performance at an affordable price point.

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John David
John David has been integral to crafting the ethos of Conscious Brands, a platform dedicated to fostering sustainable economic systems and transformative business practices.

Since its inception, Conscious Brands has embraced the principles of conscious capitalism, focusing on stakeholder engagement, diversity, and environmental stewardship. As a thought leader, John has been at the forefront of advocating for business models that are not only profitable but also responsible and regenerative.

From 2024, John David has transitioned to sharing his expertise more broadly through a blog dedicated to personal product analysis and first-hand usage reviews. This new venture aims to extend his commitment to sustainability and ethical practices to individual products, offering consumers in-depth insights and practical advice.

His blog covers a range of topics, from assessing the environmental impact of products to evaluating their social and economic sustainability. This move represents a natural progression of his work, leveraging his extensive experience to guide consumers in making more informed choices that align with the principles of conscious consumerism.