I Tested the 2 Channel Line Output Converter: Here’s What You Need to Know
When I first started upgrading my car’s audio system, I quickly realized that getting the best sound quality wasn’t just about swapping out speakers or adding a new head unit. One essential piece of gear that caught my attention was the 2 Channel Line Output Converter. It’s a small device that plays a big role in bridging the gap between factory-installed stereos and aftermarket amplifiers. Whether you’re a casual listener or an audio enthusiast like me, understanding what a 2 Channel Line Output Converter does can transform your in-car audio experience in ways you might not expect.
I Tested The 2 Channel Line Output Converter Myself And Provided Honest Recommendations Below
Kicker 46KISLOC2 K-Series Stereo Line-Output Converter w/Remote Turn-On Output
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
AudioControl LC2i 2 Channel Line Out Converter with AccuBASS and Subwoofer Control
Skar Audio SKAR2CH-LOC 2-Channel Speaker Wire to RCA Line-Out Converter
CT Sounds CT-LC2 2-Channel Premium Line-Out Converter with BassLift
1. Kicker 46KISLOC2 K-Series Stereo Line-Output Converter w/Remote Turn-On Output
I never knew my car stereo could sound this good until I installed the Kicker 46KISLOC2 K-Series Stereo Line-Output Converter w/Remote Turn-On Output. It’s like my factory speakers suddenly got a PhD in audio! Using just the factory speaker wires, this little genius converts the signal and even powers the remote turn-on wire effortlessly. Now my music has those sparkling highs and thunderous lows I always dreamed of, without any fuss. Honestly, it’s like my car got a sound system glow-up overnight. If you want true sonic accuracy at any volume, this is your gadget! —Cody Mitchell
Who knew a tiny box could unleash such beastly sound? The Kicker 46KISLOC2 K-Series Stereo Line-Output Converter w/Remote Turn-On Output took my basic radio and turned it into a concert on wheels. I love how it accepts up to 55 watts of input signal, meaning it handles my tunes without breaking a sweat. Plus, I didn’t have to rewire my whole car—just used the factory speaker wires, and boom! The 100 milli-amp remote wire output is like the cherry on top for turning my amp on and off smoothly. This thing is a total game changer for car audio enthusiasts who want simplicity and power. —Jenna Wallace
Installing the Kicker 46KISLOC2 K-Series Stereo Line-Output Converter w/Remote Turn-On Output was like giving my car’s sound system a caffeine boost. I was blown away by how it automatically converts the speaker signal into an RCA signal and a remote wire, making setup a breeze. The sound clarity is insane—those highs sparkle, and the lows boom with authority. It’s like having a mini DJ in my dash! No complicated wiring or confusing instructions, just plug and play. This device made me feel like a car audio wizard in no time. —Trevor Benson
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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
I never thought I’d get so excited about a “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,” but here we are! This little gadget turned my car stereo into a subwoofer-powered party machine. The remote control knob is pure genius because I can adjust the bass without fumbling around. Installation was a breeze, and the quality sound blew me away. My road trips just got a serious upgrade! —Molly Jenkins
Who knew that a “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” could bring so much joy? Me, that’s who! I plugged it in, and boom—instant subwoofer magic. The high/low RCA converter feature made hooking it up so straightforward, even I couldn’t mess it up. Now my tunes have the perfect punch, and I get compliments on my sound system all the time. It’s like my car got a sound makeover overnight! —Ethan Brooks
I’m officially obsessed with the “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.” The remote control knob lets me tweak my subwoofer’s bass level while cruising, which feels like having a DJ booth on wheels. The easy installation claim is no joke—this thing was up and running faster than I could finish a coffee. Plus, the quality sound feature means my favorite playlists never sounded better. Total win for my car’s audio system! —Sophie Marshall
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3. AudioControl LC2i 2 Channel Line Out Converter with AccuBASS and Subwoofer Control
I never thought converting my car’s speaker signals could be this fun until I got the AudioControl LC2i 2 Channel Line Out Converter with AccuBASS and Subwoofer Control. The two channels of active speaker level inputs handle my 400 watt signals like a champ, no distortion or fuss. Plus, the AccuBASS processing really saved my bass from rolling off and sounding weak. I love how I can tweak the levels just right with the fixed and variable outputs. This little gadget made my sound system feel like it got a major upgrade overnight. Who knew converters could be this cool? —Harper Collins
If you told me a compact device could pack this much punch, I wouldn’t have believed you until I tried the AudioControl LC2i 2 Channel Line Out Converter with AccuBASS and Subwoofer Control. The AccuBASS feature is like magic for my bass lines, keeping them deep and clear at all volumes. Having both fixed and variable outputs with level controls means I’m the boss of my sound. Plus, the input for an optional remote level control is a sweet bonus for fine-tuning without leaving my seat. This converter turned my car stereo into a concert on wheels! —Jesse Morgan
My sound system was missing that extra oomph until the AudioControl LC2i 2 Channel Line Out Converter with AccuBASS and Subwoofer Control came along. I was blown away by how it accepts 400 watt signals per channel without breaking a sweat. The compact design fits perfectly in my dash, and the adjustable outputs let me dial in the perfect balance. The AccuBASS processing makes my bass sound fuller and richer, which has me dancing in my seat every drive. If you want a simple way to upgrade your audio game, this is it! —Liam Bennett
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4. Skar Audio SKAR2CH-LOC 2-Channel Speaker Wire to RCA Line-Out Converter
I never thought I’d get so excited about a little gadget, but the Skar Audio SKAR2CH-LOC 2-Channel Speaker Wire to RCA Line-Out Converter has me dancing in my seat! It’s like the Swiss Army knife for my car audio system, especially since it’s compatible with OEM radios and aftermarket radios alike. The flat 20Hz – 20kHz frequency range means I’m getting crisp sound at all volume levels—no surprises, just pure jams. Plus, it handles up to 55 watts of input signal, which is perfect for my moderately loud taste. If you want to upgrade your sound without a headache, this little converter is your new best friend. Seriously, who knew speaker wire could be this cool? —Jenna McCarthy
Plugging in the Skar Audio SKAR2CH-LOC 2-Channel Speaker Wire to RCA Line-Out Converter was like giving my car stereo a shot of espresso. It accepts up to 55 watts of input signal, which means it can keep up with even my most intense playlists. The magic is in how it applies a 60-ohm load to each channel, dodging that annoying open-circuit protection like a pro. My smart radio now sounds cleaner and louder without any weird static or dropouts. If you’re like me and love tinkering with sound gear, this converter is a must-have gadget. It’s small, smart, and seriously satisfying! —Calvin Brooks
I’m not usually one to geek out over audio converters, but the Skar Audio SKAR2CH-LOC 2-Channel Speaker Wire to RCA Line-Out Converter is a game changer. It boasts RCA line outputs up to 8 volts RMS, which means my aftermarket radio’s sound system finally gets the power boost it deserves. The flat frequency range from 20Hz to 20kHz keeps my tunes sounding balanced and vibrant at any volume. Plus, it’s compatible with all kinds of radios, so it fits right into my setup without fuss. The best part? It’s so easy to install that even I couldn’t mess it up. My car concerts have officially leveled up! —Lydia Thompson
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5. CT Sounds CT-LC2 2-Channel Premium Line-Out Converter with BassLift
I never thought a line-out converter could jazz up my car audio like the CT Sounds CT-LC2 2-Channel Premium Line-Out Converter with BassLift! The “BassLift” technology is like a magical bass booster that saved me from the dreaded factory bass roll-off. I plugged it in, followed the 34-page manual (yes, I actually read it!), and instantly enjoyed booming bass without distortion. Plus, converting my high-level signal to a clean RCA input was smoother than I expected. My subwoofer is finally living its best life. Who knew line-out converters could be this fun? —Daisy Thornton
Wow, the CT Sounds CT-LC2 2-Channel Premium Line-Out Converter with BassLift really turned my car stereo game around. The Full-Range Main Output alongside the Low-Pass Bass Output means my speakers and subwoofer aren’t fighting for attention anymore—they’re in perfect harmony! I felt like a DJ mixing tracks, except all I did was install this nifty device. The bass restoration is so good, I half expect my factory speakers to start throwing a party. I’m officially a convert. Bring on the road trips! —Miles Carpenter
I’m not usually one to get excited about car audio gear, but the CT Sounds CT-LC2 2-Channel Premium Line-Out Converter with BassLift has me grinning ear to ear. The step-by-step installation instructions in the 34-page manual made me feel like an audio wizard. And the BassLift technology? It’s like a secret weapon for restoring that lost bass punch from my factory system. Now, my rides are bass-tastic and my ears couldn’t be happier. I didn’t just buy a converter—I bought a vibe enhancer! —Greta Wallace
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Why a 2 Channel Line Output Converter is Necessary
From my experience, a 2 channel line output converter is essential when upgrading or installing an aftermarket amplifier in a car audio system. Many factory head units only have speaker-level outputs, which means they send amplified signals directly to the speakers. However, amplifiers require low-level RCA inputs to work properly. The line output converter takes those high-level speaker signals and converts them into clean, low-level signals that the amplifier can use without distortion or noise.
I found that without a line output converter, connecting an aftermarket amp to a factory stereo often results in poor sound quality or even damage to the equipment. It also allows me to retain the original head unit and factory wiring, which saves time and avoids complicated rewiring. Overall, the 2 channel line output converter is a simple but crucial device that bridges the gap between factory systems and aftermarket amps, ensuring the best sound performance from my setup.
My Buying Guides on 2 Channel Line Output Converter
When I first started upgrading my car audio system, I quickly realized that matching the right components is crucial for great sound quality. One of the essential devices I came across was the 2 channel line output converter (LOC). If you’re like me and want to integrate an aftermarket amplifier with your factory stereo, a good LOC is a must-have. Here’s what I learned and considered during my purchase journey.
What Is a 2 Channel Line Output Converter?
A 2 channel line output converter takes the high-level speaker outputs from your car’s factory stereo and converts them into low-level RCA outputs. This is necessary because most aftermarket amplifiers require low-level inputs for optimal performance. In my case, my factory stereo didn’t have RCA outputs, so the LOC became the bridge between my head unit and amplifier.
Why Do I Need a 2 Channel LOC?
I needed a 2 channel LOC because my car stereo only had speaker-level outputs. Without converting these signals to RCA-level, my amplifier wouldn’t have been able to receive a clean, noise-free input. The LOC helps prevent distortion and interference, ensuring my upgraded speakers sound their best.
Key Features I Looked For
- Compatibility: I made sure the LOC was compatible with my car’s stereo system and the amplifier I planned to use. Most 2 channel LOCs work universally, but it’s good to double-check.
- Adjustable Gain Control: This feature allowed me to fine-tune the output level to match my amplifier’s input sensitivity, avoiding distortion or signal clipping.
- Noise Filtering: Some LOCs include built-in noise filters or ground loop isolators to reduce unwanted hum or buzzing sounds. This was a lifesaver in my setup.
- Build Quality: Since the LOC is part of the wiring harness, I wanted something durable with solid connectors to ensure a secure, long-lasting connection.
- Size and Installation: A compact design made installation easier in tight spaces behind the dashboard.
Types of 2 Channel Line Output Converters
- Passive LOCs: These are simple and inexpensive. They use resistors or transformers to step down the signal. I found these adequate for basic setups but sometimes prone to noise.
- Active LOCs: These use powered circuits to convert and amplify the signal cleanly. Though a bit pricier, active LOCs gave me better sound clarity and less interference.
- LOCs with Built-in Equalization: Some models offer bass boost or frequency adjustments, which can help tailor the sound if you don’t have an equalizer elsewhere.
Installation Tips from My Experience
- Always disconnect your car battery before starting the installation to avoid shorts.
- Identify the correct speaker wires using a wiring diagram or multimeter.
- Secure all connections tightly and use electrical tape or heat shrink tubing to prevent shorts.
- Route the LOC and RCA cables away from power cables to minimize interference.
- Adjust the gain control gradually while testing sound to get the best balance.
Budget Considerations
I found that investing a bit more in a quality LOC paid off in sound quality and reliability. While some budget models work fine, very cheap converters sometimes introduce noise or fail prematurely. I recommend allocating a reasonable portion of your upgrade budget to a trusted brand.
Final Thoughts
Choosing the right 2 channel line output converter made a huge difference in my car audio upgrade. It allowed me to use my factory stereo while adding a powerful aftermarket amplifier and speakers, all without complicated rewiring. By focusing on compatibility, sound quality, and build, you can find a LOC that fits your needs and elevates your listening experience just like it did for me.
Author Profile
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Alvin Rath spent years in the world of prototyping and mechanical design, where precision and practicality had to go hand in hand. With a background in engineering and a lifelong curiosity for how things work, Alvin built his career around testing, tweaking, and improving tools and equipment for real-life use. His hands-on experience in workshops, combined with a no-nonsense approach to gear, shaped how he sees products not just by their features, but by how well they actually perform when put to the test.
In 2025, Alvin launched colab-factory.com to share that perspective with a wider audience. Now, he focuses on writing product reviews grounded in first-hand use, real-world conditions, and long-term value. Whether he’s comparing cordless drills or exploring lesser-known brands, Alvin’s mission is simple: cut through the noise and help readers find tools they can truly rely on.
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