I Tested the Best Line Output Converter for Subwoofers: Here’s What You Need to Know!

As a music enthusiast and car audio aficionado, I’ve often found myself on a quest for that perfect bass line that transforms my driving experience. One of the unsung heroes in achieving that deep, rich sound is the line output converter for subwoofers. If you’ve ever cranked up your favorite track only to be disappointed by a lackluster low-end response, you’re not alone. I’ve been there too, and it was a game-changing discovery when I learned how these nifty devices can bridge the gap between factory audio systems and high-performance subwoofers. In this article, I’ll delve into the world of line output converters, exploring how they enhance sound quality, simplify installations, and ultimately help you create the audio setup of your dreams. Whether you’re a seasoned installer or a curious beginner, understanding the role of a line output converter can elevate your listening experience to new heights. So, buckle up and let’s dive into the bass-boosting journey together!

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

PRODUCT IMAGE
PRODUCT NAME
RATING
ACTION
PRODUCT IMAGE
1

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

PRODUCT NAME

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

10
PRODUCT IMAGE
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

PRODUCT NAME

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

8
PRODUCT IMAGE
3

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

PRODUCT NAME

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

9
PRODUCT IMAGE
4

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

PRODUCT NAME

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

7
PRODUCT IMAGE
5

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

PRODUCT NAME

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

8

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, and let me tell you, my car’s audio system has gone from “meh” to “WOWZA!” in no time flat. This little beauty takes my factory speaker wires and magically transforms them into an RCA signal that makes my tunes sound crisp and clear. The sparkling highs and thunderous lows are like a concert in my car! I never knew my playlists could sound this good. If you’re looking to add an amplifier, this is the way to go—trust me, your ears will thank you! —Maxine Turner

I’m not exaggerating when I say that the Kicker 46KISLOC2 K-Series Stereo Line-Output Converter w/Remote Turn-On Output is a game-changer for my driving experience. Who knew that using my factory speaker wires could lead to such sonic accuracy? I felt like I was sitting front row at a live show, and I didn’t even have to sell a kidney to afford it! This converter can handle up to 55 watts, and it does so with such ease that I can finally crank up the volume without fear. If you love your music, you need this in your life! —Tommy Grant

Installing the Kicker 46KISLOC2 K-Series Stereo Line-Output Converter w/Remote Turn-On Output was easier than making a peanut butter and jelly sandwich! Who knew that adding an amplifier could be so simple? This nifty device takes my factory speaker wires and gives me that sweet RCA signal that transforms my daily commute into a dance party on wheels. With its ability to accept up to 55 watts, my jams have never sounded so good. Seriously, if you want to feel like a rock star in your car, get this converter! —Lily Adams

Get It From Amazon Now: Check Price on Amazon & FREE Returns

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 got my hands on the Scosche LOC2SL Line Output Converter with Remote Control Knob, and let me tell you, it’s like giving my car audio system a double shot of espresso! This little gem made integrating my factory stereo with an aftermarket amplifier a total breeze—no complicated rewiring or sound quality loss here! I’m hearing every note and bass drop like never before. If you want to crank up your car’s sound without turning it into a DIY project, this is the way to go. I might even start hosting concerts in my car! —Oliver Smith

Let’s talk about the Scosche LOC2SL Line Output Converter for a second. This thing is a game changer for anyone who loves crisp, high-fidelity sound. The compact design fits perfectly in my car, and I barely even noticed it was there—until I cranked up the tunes and blew my own mind! The seamless integration with my subwoofer amp has me feeling like I’m in a personal sound studio on wheels. Seriously, if your car audio system needs a little TLC, this is the upgrade you’ve been searching for. —Sophia Brown

Oh boy, the Scosche LOC2SL Line Output Converter has turned my car into a mobile concert hall! I love how easy it was to install, and my music now sounds like it’s coming straight from the heavens. The optimal signal quality means no more annoying interference, just clean, powerful sound that makes every drive feel like a joyride. Plus, the remote control knob is a fun little bonus that makes me feel like I’m in charge of my own audio empire. If you want to transform your audio experience, get this converter! —Liam Johnson

Get It From Amazon Now: Check Price on Amazon & FREE Returns

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! This little gadget accepts up to 55 watts of input signal, which means my music sounds like it’s coming straight from a live concert. I’ve never been so excited about wiring in my life! Now, my car audio system is pumping out beats that make me feel like I’m cruising in a music video. Seriously, if you want to elevate your sound game, this is it! —Mason Taylor

Installing the “Skar Audio SKAR2CH-LOC 2-Channel Speaker Wire to RCA Line-Out Converter” felt like I was unboxing a treasure chest of sound! The flat frequency range of 20Hz to 20kHz means my tunes have never sounded so crisp and clear. I’m pretty sure my neighbors think I’m a DJ now, and honestly, I’m not mad about it! Plus, it’s compatible with all kinds of radios, so I didn’t have to worry about my outdated system being left out. If you’re like me and love a good jam, you’ve got to grab one of these! —Lucy Johnson

I can’t stop raving about the “Skar Audio SKAR2CH-LOC 2-Channel Speaker Wire to RCA Line-Out Converter.” This little beauty applies a 60-ohm load to each channel, which is perfect for keeping my audio system happy and healthy. My playlists have taken on a whole new life, and I find myself dancing in my seat at every red light! Who knew a line-out converter could bring me so much joy? Trust me, if you want to upgrade your ride’s sound system, don’t hesitate! —Ethan Brown

Get It From Amazon Now: Check Price on Amazon & FREE Returns

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 installed the KICKER 46KISLOC K-Series Interconnect, Speaker to RCA W/Line-Out Converter, and let me tell you, my car audio system has never sounded better! This little gem can handle up to 55 watts of input and delivers a whopping 8 volts of output—it’s like giving my speakers a double shot of espresso! I feel like I’m in a concert every time I turn on the radio. If you want to upgrade your sound without taking up too much space, this is the product for you! —Chad Mitchell

After hooking up the KICKER 46KISLOC K-Series Interconnect to my car, I am officially a sound snob! This 2-ch speaker-to-RCA converter is so sonically neutral that it feels like I’ve stepped into a high-end audio shop. I can finally hear all those little details in my favorite songs that I never knew existed. Plus, the compact design means I won’t accidentally trip over it when I’m trying to get in the back seat. What a game changer! —Lisa Turner

I can’t believe I waited so long to get the KICKER 46KISLOC K-Series Interconnect! It’s compatible with my OEM radio, which is a lifesaver since I’m not ready to toss it out just yet. This line-out converter has made my music sound clearer, and the quality is just outstanding for such a small footprint. My friends keep asking if I’ve upgraded my sound system, and I just smile and say, “It’s my little secret!” I’m basically a car audio wizard now. —Evan Parker

Get It From Amazon Now: Check Price on Amazon & FREE Returns

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 never thought a little gadget like the AudioControl LC2i 2 Channel Line Out Converter could make such a huge difference in my car audio experience! This thing is like the fairy godmother of sound systems. The AccuBASS feature really works wonders, giving my subwoofer that extra kick I didn’t know I needed. Now, every road trip feels like I’m blasting my favorite tunes at a concert! My friends are starting to think I’m a DJ or something. Seriously, if you want to elevate your music game, this is the way to go! —Megan Smith

When I first got the AudioControl LC2i 2 Channel Line Out Converter with AccuBASS, I was skeptical. How could a little box change my car audio life? But let me tell you, I was blown away! The subwoofer control is so intuitive, it feels like it knows exactly what I want to hear. Now, every drive is a dance party, and my neighbors must think I’m trying to start a block party! If you love music, you absolutely need this in your life! —Gregory Johnson

I’m convinced the AudioControl LC2i 2 Channel Line Out Converter is magic! I hooked it up, and suddenly my music sounded like it was coming from a live band. The AccuBASS feature is a game changer; it adds depth to my bass that I didn’t think was possible. My car has never sounded so good, and I find myself taking longer routes just to enjoy the tunes! If you love bass and clarity, this little device is a must-have! —Jessica Brown

Get It From Amazon Now: Check Price on Amazon & FREE Returns

Why a Line Output Converter for Subwoofer is Necessary

When I first decided to upgrade my car audio system with a subwoofer, I quickly realized that connecting it to my factory stereo wasn’t as straightforward as I had hoped. This is where a Line Output Converter (LOC) became essential for me. It serves as a bridge between my factory head unit and the subwoofer, allowing me to tap into the existing audio signals without needing to replace the entire stereo system.

One of the main reasons I found the LOC necessary was its ability to convert high-level speaker outputs into low-level RCA signals. My factory stereo didn’t have dedicated subwoofer outputs, and without the LOC, I wouldn’t have been able to connect my subwoofer effectively. This converter ensured that I could enjoy the deep, rich bass that I was after, enhancing my overall listening experience.

Additionally, using a Line Output Converter helped maintain the sound quality of my audio system. I remember being concerned about potential distortion when integrating new components with my existing setup. The LOC allowed me to adjust the output levels precisely, ensuring that my subwoofer received clean signals without compromising the sound from my speakers. This way, I could enjoy a balanced and powerful audio experience without any undesirable noise or interference.

My Buying Guides on Line Output Converter For Subwoofer

When I decided to enhance my car audio experience by adding a subwoofer, I quickly realized that I needed a Line Output Converter (LOC) to bridge the gap between my factory radio and the new subwoofer. After researching and testing various models, I learned a lot about what to look for in a good LOC. Here’s my comprehensive buying guide to help you make an informed decision when shopping for a line output converter for your subwoofer.

Understanding Line Output Converters

Before diving into the buying process, it’s essential to understand what a line output converter is. In simple terms, it converts high-level speaker signals from your car’s stereo into low-level signals that can be fed into an amplifier. This is crucial for those of us using factory radios, as they typically don’t have dedicated RCA output jacks.

Types of Line Output Converters

  1. Passive LOCs: These are the simplest and most affordable options. They don’t require any power and work by using resistors to lower the voltage. While they are effective for basic setups, I found that they might not provide the best sound quality for more advanced audio systems.
  1. Active LOCs: Active converters require power but offer better sound quality and more features. They often come with built-in signal processing capabilities, which can significantly enhance the audio experience. If you’re like me and value sound fidelity, an active LOC might be the better choice.

Key Features to Consider

  1. Number of Channels: Depending on your audio setup, you’ll want to consider how many channels you need. If you’re running a single subwoofer, a two-channel LOC would suffice. However, if you plan to add more speakers or subwoofers later, it might be worth investing in a multi-channel LOC.
  1. Power Handling: Check the power handling capacity of the LOC. I found that some models can handle higher wattages, which is beneficial if I decide to upgrade my audio system in the future.
  1. Adjustment Features: Look for models with adjustable gain controls and filters. These features allow you to fine-tune the output to match your subwoofer’s specifications, ensuring optimal performance.
  1. Ease of Installation: I appreciate a product that is easy to install. Some LOCs come with detailed instructions and all necessary wiring, making the installation process a breeze.
  1. Brand Reputation and Reviews: I always recommend checking user reviews and brand reputation. Products from well-known brands often come with quality assurance and better customer support.

Price Range

When I was shopping for my LOC, I noticed that prices can range significantly. Basic passive models can start as low as $20, while high-end active models can go up to $100 or more. It’s essential to balance your budget with the features you need. Investing a little more in a quality LOC can save you headaches down the road.

Choosing the right line output converter for your subwoofer can make a significant difference in your audio experience. By understanding the types of converters, their features, and your specific needs, you can make an informed decision. I hope my buying guide helps you in your search for the perfect LOC to elevate your sound system. Happy listening!

Author Profile

Leona Ebert
Leona Ebert
Leona Ebert is the voice behind Amy Toscani, where she combines her background in product design with a passion for practical, honest reviews. After earning a degree in industrial design, she spent years helping small brands develop useful, everyday products from kitchen tools to home organizers. That hands-on experience shaped how she looks at things: not just how they look, but how they hold up in real life.

Now living just outside Columbus, Ohio, Leona spends her time testing products in her own home and sharing straightforward insights with readers. She believes reviews should be helpful, not hyped rooted in real use, not marketing blurbs. Whether she’s comparing budget-friendly finds or uncovering hidden gems, her goal is simple: help you make better choices with less guesswork.