Best 4 Channel Line Out Converter

Peter | 25-12-2025

With so many Best 4 Channel Line Out Converter brands on the market – from prominent names like RECOIL,PAC,Scosche,NVX,RICHUPON to smaller manufacturers – making the right choice can feel overwhelming. But we’re here to help simplify your search for the best product.

We extensively tested and evaluated dozens of top-rated Best 4 Channel Line Out Converter across various price points, spending over 100 hours comparing the contenders side-by-side. Based on our in-depth first-hand research, we compiled this list of stand-out Best 4 Channel Line Out Converter to consider. Our top recommendation is RECOIL Best 4 Channel Line Out Converter for its uncompromising quality and performance.

Below you’ll discover more of our favorite Best 4 Channel Line Out Converter picks. And be sure to consult our buying guide for expert insights on selecting the ideal product for your individual needs and budget. With us guiding your decision, you can shop confidently knowing you’ve chosen an exceptional Best 4 Channel Line Out Converter you’ll truly love.

Editor's Choice
Recoil LOC4 Four Channel Speaker Cable to RCA Adjustable Line Output Converter with Remote Turn On
Recoil LOC4 Four Channel Speaker Cable to RCA Adjustable Line Output Converter with Remote Turn On
Premium Pick
PAC LP7-4 L.O.C. PRO Series 4-Channel Line Output Converter with Remote Turn On , Blue
PAC LP7-4 L.O.C. PRO Series 4-Channel Line Output Converter with Remote Turn On , Blue
Budget Pick
Scosche SLC4 Line Output Converter/OEM Premium Amplifier Adapter - 4CH LOC High/Low RCA Converter
Scosche SLC4 Line Output Converter/OEM Premium Amplifier Adapter - 4CH LOC High/Low RCA Converter

Top 10 Best 4 Channel Line Out Converter

We researched and compared the top products in the Best 4 Channel Line Out Converter category to provide you with these recommendations.

1. Recoil LOC4 Four Channel Speaker Cable to RCA Adjustable Line Output Converter with Remote Turn On

  • Four channel adjustable speaker cable to RCA line output converter
  • Use the LOC4 when adding an amplifier to a factory radio to convert the radios speaker level output to the low amplifier (RCA) level input
  • Provides amplifier remote turn on output
  • Utilize audio transformer for noise isolation
  • +/-0.5 dB Linearity from 20-20,000 Hz

2. PAC LP7-4 L.O.C. PRO Series 4-Channel Line Output Converter with Remote Turn On , Blue

  • PRO Series 4-Channel High Power Line Output Converter
  • Designed to optimize audio levels between radio and amplifier to achieve the best audio quality
  • Ideal for use when adding an amplifier to an OEM system
  • Configurable for speaker level or RCA level input/output
  • Single dial, precision matched stereo, level gain adjustment

3. Scosche SLC4 Line Output Converter/OEM Premium Amplifier Adapter - 4CH LOC High/Low RCA Converter

Scosche SLC4 Line Output Converter/OEM Premium Amplifier Adapter - 4CH LOC High/Low RCA Converter
9.1

Scosche

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  • Unmatched Versatility - Compatible with a wide range of car audio systems, this high to low converter offers flexible installation options, making it a go-to solution for converting speaker wires to RCA line level signals or adding an aftermarket radio
  • Seamless Integration - Integrate your factory stereo with an aftermarket amp using this line out converter and boosting your cars audio performance without complex rewiring. Or, add an aftermarket radio and keep your factory JBL or Bose amplifier
  • Enhanced Audio Experience - Transform your car audio system with the Scosche SLC4 Line Out Converter/OEM Premium Amplifier Adapter, delivering crisp and clear sound quality for your subwoofer; perfect for audiophiles seeking high-fidelity sound
  • Compact and Durable Design - Engineered by Scosche, the SLC4 line output converter is compact and built to last, fitting easily into tight spaces while maintaining durability; a reliable upgrade for any car audio enthusiast
  • Optimal Signal Quality - Ensure maximum audio performance with this OEM quality RCA converter for car audio, designed to minimize signal interference and deliver clean, powerful sound; the perfect addition to your custom car audio setup
  • Trusted Brand - Backed by Scosche's Lifetime Tech Support and Limited Warranty. Scosche, known for its commitment to quality car audio solutions, means you can trust the Scosche SLC4 RCA adapter to deliver exceptional performance.

4. NVX XMICROLOC4 | 600W 4-Channel Speaker Cable to RCA Adjustable Line Output Converter with Remote

  • High-Powered 4-Channel Output Converter: The NVX XMICROLOC4 is a 4-channel, 600W line output converter (150W per channel) designed to integrate aftermarket amplifiers with factory OEM stereos, delivering powerful sound performance without compromising your vehicle's original audio system.
  • Premium Audio Performance: Equipped with a premium input circuit that corrects crossover distortion, this converter ensures clear, accurate signal conversion for optimal sound quality, even when adding an amplifier to your factory system.
  • Adjustable Outputs for Custom Tuning: The 6:1 step-down ratio with individual adjustable outputs allows for precise control over the audio signal, giving you the flexibility to fine-tune your system for balanced sound and the perfect level of bass and treble.
  • Built-in Remote Turn-On Trigger: The 12-volt output for amplifier remote turn-on is integrated into the design, enabling easy amplifier activation whenever the stereo is powered on, making installation and setup quick and hassle-free.
  • Compact & Easy Installation: The compact design of the XMICROLOC4 allows for easy installation in tight spaces, making it a perfect solution for vehicle owners looking to add an amplifier to their factory system without the need for major modifications.

5. NVX XFLOC4 4-Channel 160W Adjustable Line Output Converter with Remote Turn On

  • Premium 4-Channel Line Output Converter: Designed to convert speaker-level signals to RCA line-level signals for easier connection to aftermarket amplifiers.
  • Integrated Digital Noise Filter: Includes a built-in noise filter to eliminate unwanted interference for clearer sound quality in your car audio system.
  • Adjustable 3:1 Step-Down Output: Features an adjustable output level (up to 160W maximum), allowing for precise tuning to match your audio setup.
  • DC Amplifier Turn On Trigger: The built-in turn-on trigger allows for easy power activation of external amplifiers with DC signals.
  • 160W Maximum Input Power: Supports up to 160 watts of total input power (40W per channel), making it ideal for a wide range of audio systems.
  • Super Low Distortion: Designed with low distortion for clear, high-quality sound reproduction without unwanted noise or signal loss.

6. Four Channel RCA Line Output Converter with Adjustable Gain & Remote Turn-On, Car Speaker to RCA

Four Channel RCA Line Output Converter with Adjustable Gain & Remote Turn-On, Car Speaker to RCA
8.5

Richupon

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  • Four Channel RCA Converter Converts speaker outputs to RCA line outputs, making it easy to expand your car audio system.
  • Adjustable Gain Control Fine-tune output levels for cleaner, more balanced sound in your vehicle.
  • Remote Turn-On Feature Automatically provides a trigger output when your stereo powers on, no manual switching needed.
  • Wide Compatibility Works with cars, SUVs, and trucks; ideal for connecting subwoofer units and car audio equipment.
  • Durable & Easy to Install Built with reliable materials, ensuring stable performance and quick installation.

7. NVX XLOC44X 4 inputs / 4 outputs High Voltage Active Line Output Converter with Impedance Matching

  • 4-Channel Speaker Level Inputs | 4-Channel RCA Outputs
  • Handles up to 40V (400 watts RMS)
  • Provides up to 9.5 Volts of output
  • Auto turn-on via DC offset or Audio detection
  • Load selection switch (20, 60, or 20K ohms)

8. NVX XPLOC4 4-Channel 600W Adjustable Line Output Converter with Remote Turn On

  • 4-Channel Premium Adjustable Line Output Converter
  • 6:1 Step Down With Adjustable Output
  • 600w Total Maximum Input (150w Per Channel)
  • Super Low Distortion

9. AudioControl LC7i 6-Channel Line Output Converter with AccuBASS

AudioControl LC7i 6-Channel Line Output Converter with AccuBASS
7.9

Audiocontrol

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  • Six channels of active speaker level inputs accepts up to 400 watts per channel
  • Patent Pending AccuBASS circuitry
  • Internal Channel Summing For interfacing with factory installed amplifiers with built-in crossovers
  • GTO (Great Turn-On) Circuit Powers up the LC7i when it detects signal on the speaker level input
  • Output level control

10. AudioControl LC6i Black 6 Channel Line Out Converter with Internal Summing

AudioControl LC6i Black 6 Channel Line Out Converter with Internal Summing
7.7

Audiocontrol

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  • Six Speaker Level Inputs a" Can Accept 400 Watt Signals!
  • GTOa,, Signal-Sensing Input
  • Internal Channel Summing
  • Line Output Converter
  • AutoMode Turns 4-channel Input into 6-channel Output

Peter

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