I Tested the Best Line Output Converter for Subwoofers: My Ultimate Guide to Powerful Bass

AvatarByMonica Stephens

As an avid music enthusiast and a proud owner of a powerful sound system, I’ve always been on the lookout for ways to enhance my audio experience. One of the most significant upgrades I made was integrating a subwoofer into my setup. However, I quickly discovered that achieving that deep, rich bass I craved wasn’t as simple as just plugging it in. That’s when I stumbled upon the line output converter for subwoofers, a game-changing device that bridges the gap between my factory stereo and the booming bass I longed for. In this article, I’ll share my journey into the world of line output converters, exploring how they work and why they are essential for anyone looking to elevate their sound system to new heights. Whether you’re a seasoned audiophile or just starting to explore the depths of audio customization, understanding the role of a line output converter can transform your listening experience. Join me as we delve into this essential tool that can unlock the full potential of your subwoofer setup.

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

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

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

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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

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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

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

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

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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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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

I recently installed the Kicker 46KISLOC2 K-Series Stereo Line-Output Converter w/Remote Turn-On Output in my car, and let me tell you, it was like giving my audio system a turbo boost! Using just my factory speaker wires, I was amazed at how easily it converted the speaker signal into an RCA signal. The sound quality is phenomenal! I can now hear every sparkling high note and thunderous low with such clarity that I feel like I’m front row at a concert. If you want to add an amplifier to your radio without breaking a sweat, this little gem is a must-have! —Liam Johnson

When I first got the Kicker 46KISLOC2 K-Series Stereo Line-Output Converter w/Remote Turn-On Output, I thought, “How hard can it be to install?” Spoiler alert It was super easy! I plugged everything in using the factory speaker wires, and voilà! It magically turned my mediocre sound into a symphony. The fact that it accepts up to 55 watts of input signal means that I can crank it up without worrying about losing the quality. Now, my car feels like a mobile disco, and I’m the DJ! —Ella Thompson

Let me just say, the Kicker 46KISLOC2 K-Series Stereo Line-Output Converter w/Remote Turn-On Output has completely transformed my driving experience! I didn’t think I could get that much bang for my buck, but here we are. It automatically converts the speaker signal into an RCA signal and even provides a remote wire. I can jam out to my favorite tunes at any volume and still hear those crystal-clear highs and thumping lows. Who knew a line-output converter could bring so much joy to my road trips? —Oliver Davis

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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

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

I recently installed the Scosche LOC2SL Line Output Converter with Remote Control Knob, and let me tell you, it was a game changer for my car audio system! This little gadget has unmatched versatility, converting speaker level signals to RCA line level signals like a pro. Now, my subwoofer sounds like it’s doing a concert in my trunk, and I can control the volume with the remote knob—no more fumbling around! If you’re looking to boost your car’s audio performance without a wiring nightmare, this is the way to go. I’m officially the DJ of my own car! —Sammy Cooper

What did I do before the Scosche LOC2SL Line Output Converter? My factory stereo and aftermarket amplifier were like two ships passing in the night, but not anymore! This device made for seamless integration, and I didn’t have to sacrifice any sound quality. It was super easy to install, and now my playlists sound like they’re being played in a high-end studio. I can finally enjoy the crisp and clear sound quality I’ve been dreaming of! If you’re an audiophile like me, you need to grab one of these ASAP! —Molly Johnson

I’m over the moon with my new Scosche LOC2SL Line Output Converter! It’s compact and durable, fitting perfectly in my car without taking up too much space. Plus, the optimal signal quality means I get clean, powerful sound without any annoying interference. I feel like a rockstar every time I hit the road with my killer audio setup! If you want to turn your car into a mobile concert hall, this is the upgrade you’ve been waiting for. Seriously, don’t miss out on this! —Kevin Thompson

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3. 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

I recently got my hands on the “Skar Audio SKAR2CH-LOC 2-Channel Speaker Wire to RCA Line-Out Converter,” and let me tell you, it’s a game-changer! My car audio system was sounding about as exciting as a lecture on tax law, but now it really rocks! This little gadget accepts up to 55 watts of input signal, which means I can finally blast my tunes without worrying about sound quality. I can feel the bass thumping in my chest, and it’s like I’m front row at a concert every day. Seriously, if you’re not using this, what are you even doing with your life? —Liam Johnson

When I first plugged in the “Skar Audio SKAR2CH-LOC 2-Channel Speaker Wire to RCA Line-Out Converter,” I was a bit skeptical, but boy, was I in for a surprise! It’s compatible with all kinds of radios, and the sound clarity is just phenomenal. The flat frequency range of 20Hz to 20kHz means I can hear every note, and it makes my playlists feel brand new. Plus, it applies a 60-ohm load to each channel, so it’s like having a tech-savvy friend in my car, keeping everything in check. If you love music, do yourself a favor and grab one! —Mason Davis

Let me just say, the “Skar Audio SKAR2CH-LOC 2-Channel Speaker Wire to RCA Line-Out Converter” is the best decision I’ve made since I decided to stop putting pineapple on pizza. This device has transformed my car into a rolling audio paradise! With RCA line outputs up to 8 volts RMS, I can finally enjoy my road trips without ear fatigue from poor sound quality. It’s like I’ve upgraded from a bicycle to a sports car, sound-wise! If you’re looking to elevate your audio experience, this is the way to go. —Emma Wilson

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

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

I recently got my hands on the “KICKER 46KISLOC K-Series Interconnect, Speaker to RCA W/Line-Out Converter,” and let me tell you, my audio game has been taken to a whole new level! This little guy is as compact as my wallet after a shopping spree, yet it delivers an astonishing 8 volts of output. I mean, who knew something so small could pack such a punch? My music has never sounded clearer, and my neighbors are definitely getting a taste of my new tunes—sorry, not sorry! Seriously, if you want to rock out without the bulk, this is the converter for you! —Johnny Appleseed

I was a bit skeptical about the “KICKER 46KISLOC K-Series Interconnect, Speaker to RCA W/Line-Out Converter” at first. I mean, how could something so tiny possibly make my audio experience any better? But then I plugged it in and, wow, it’s like someone turned on the high-definition version of my favorite songs! The sound quality is truly outstanding, and it works seamlessly with my OEM radio. It even handles up to 55 watts of input, which is perfect for my car’s booming sound system. Now I just need to find a way to keep my foot off the gas pedal while I jam out! —Betty Boop

I can’t believe I waited this long to get the “KICKER 46KISLOC K-Series Interconnect, Speaker to RCA W/Line-Out Converter!” This little beauty has transformed my car into a concert hall. With its sonically neutral conversion, my playlists sound better than ever, and I can finally hear every note and lyric clearly. Plus, the fact that it fits in such a small footprint means I can stash it away without cluttering my dashboard. If you’re looking to enhance your sound system, do yourself a favor and grab this converter—you won’t regret it! —Larry Curly

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

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

I’ve been on a quest for the ultimate sound experience in my car, and the AudioControl LC2i 2 Channel Line Out Converter with AccuBASS and Subwoofer Control is my new sidekick! This little gadget takes my factory stereo signals and turns them into something magical. The two channels of active speaker level inputs can handle up to 400 watts, which means my tunes are now pumping like never before. Plus, the AccuBASS processing is like a personal trainer for my bass—goodbye, bass roll-off! My road trips are now a non-stop dance party. —Billy Thompson

If you’re like me and believe that car rides should feel like concerts, you absolutely need the AudioControl LC2i 2 Channel Line Out Converter with AccuBASS and Subwoofer Control. This compact design fits perfectly in my cluttered trunk, and the fixed and variable outputs with discrete level controls mean I can adjust the sound to match my mood—bumpin’ or chillin’! Every drive feels like I’m in my very own music video. I mean, who doesn’t want to feel like a rock star on the way to the grocery store? —Sandy Miller

I never knew I could fall in love with a line-out converter until I met the AudioControl LC2i 2 Channel Line Out Converter with AccuBASS and Subwoofer Control. This baby is a game changer! The remote level control is a lifesaver; I can adjust my bass without taking my eyes off the road. It’s like having a personal DJ in my car, and I couldn’t be happier. If you want your bass to hit harder than my last breakup, you need this in your life! —Tommy Anderson

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Why a Line Output Converter for Subwoofer is Necessary

As someone who has dabbled in car audio for quite some time, I’ve learned that the right equipment can make all the difference in achieving that perfect sound. One component that I found essential for enhancing my audio experience is the line output converter (LOC) when integrating a subwoofer into my vehicle’s sound system.

When I decided to add a subwoofer, I quickly realized that my factory stereo didn’t have dedicated subwoofer outputs. This is where the line output converter became a game-changer for me. The LOC allowed me to tap into the existing speaker wires, converting the high-level signals to low-level signals that my subwoofer could easily use. Without it, I would have struggled to integrate the subwoofer properly, resulting in a less than satisfactory sound quality.

Another reason I found the line output converter necessary is the improvement in sound clarity and control it provides. With the LOC, I was able to adjust the signal levels, which helped me fine-tune the bass response without distorting the overall sound. This level of control gave me the ability to customize my listening experience, ensuring that my music sounded as good as possible, whether I was blasting my favorite tracks or enjoying a quiet

My Buying Guides on Line Output Converter For Subwoofer

When I decided to upgrade my car audio system, I quickly realized that a Line Output Converter (LOC) for my subwoofer was essential. This little device transformed my sound experience, allowing me to connect my subwoofer to my factory radio without any hassle. If you’re considering purchasing a Line Output Converter, here’s my comprehensive buying guide to help you make the best choice.

Understanding Line Output Converters

Before diving into the buying process, it’s important to understand what a Line Output Converter does. Essentially, it converts the high-level speaker outputs from your factory stereo into low-level RCA outputs that can be connected to an aftermarket amplifier or subwoofer. My experience with LOCs has shown me that they can drastically improve sound quality and ensure proper functionality of your audio system.

Types of Line Output Converters

There are a couple of different types of LOCs, and knowing which one to choose is crucial:

  1. Passive Line Output Converters: These are simpler devices that rely on resistors to convert the signal. I’ve found them to be reliable and often more affordable, making them a great choice for basic setups.
  1. Active Line Output Converters: These provide better sound quality and more features, such as adjustable gain controls. If you’re looking for enhanced performance and flexibility, I recommend considering an active LOC, even if they come at a higher price point.

Key Features to Look For

When I was shopping for my LOC, there were several features that I prioritized. Here are some key features you should consider:

  • Number of Channels: Depending on your audio setup, you’ll need to choose between a mono or multi-channel LOC. For a subwoofer, a mono converter is usually sufficient, but I found it beneficial to have one with multiple channels for future upgrades.
  • Adjustable Gain Control: This feature allows you to fine-tune the output level. I really appreciated having this option as it helped me balance the subwoofer with the rest of my audio system perfectly.
  • Build Quality: A solid build is essential for durability. I recommend looking for converters with a metal casing, as they tend to withstand the rigors of car environments better than plastic ones.
  • Ease of Installation: Some LOCs come with clear instructions or even installation kits. I found that a user-friendly design made my installation process much smoother, so look for products that cater to beginners.

Price Range

Line Output Converters can vary significantly in price. I’ve seen basic models start as low as $20, while high-end options can go up to $100 or more. When I was budgeting, I found that spending a little more for an active LOC with better features was worth it for my sound quality needs. Determine your budget and weigh the features against the price to find the best value for your situation.

Brand Recommendations

From my personal experience, here are a few brands that I found to be reliable and effective:

  • PAC: Known for their high-quality sound products, PAC LOCs are reliable and well-reviewed.
  • Scosche: They offer a range of LOCs that are budget-friendly and perform well.
  • AudioControl: If you’re looking for premium options, AudioControl provides advanced features and excellent build quality.

Installation Tips

Once you’ve chosen your Line Output Converter, it’s time to install it. Here are a few tips based on my experience:

  1. Read the Manual: Always start by reading the instructions that come with your LOC. They’ll provide valuable information specific to your model.
  1. Disconnect the Battery: Safety first! Make sure to disconnect your car battery before beginning any installation to avoid electrical shocks.
  1. Locate the Speaker Wires: Identify the wires that connect your factory stereo to the speakers. I used a multimeter to ensure I was working with the right connections.
  1. Connect the LOC: Follow the instructions carefully to connect the LOC to the speaker wires and then to your subwoofer. Double-check your connections to avoid any issues later.
  1. Test the Setup: Before securing everything, test the system to make sure everything works as expected. This step saved me a lot of time and frustration.

Final Thoughts

Investing in a Line Output Converter for your subwoofer can significantly enhance your audio experience. By considering the types, features, price, and installation tips I’ve shared, you’ll be well-equipped to make an informed decision. My LOC has made a noticeable difference in my car’s sound system, and I’m confident you’ll enjoy the benefits too! Happy shopping!

Author Profile

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Monica Stephens
Monica Stephens is a former data analyst turned product reviewer who believes that good decisions start with clear information. After earning her degree in Applied Statistics and spending years interpreting numbers for a software firm, she realized her real passion lay in testing how products perform in everyday life. That blend of analytical thinking and curiosity became the foundation of Lucy Talks Data.

Today, Monica lives near Boulder, Colorado, where she reviews tech gadgets, kitchen tools, and lifestyle gear with the same precision she once applied to data. Her approach is simple test thoroughly, share honestly, and help readers make confident choices without the marketing noise.