Upgrade Your Car Audio System with a Speaker-Level to RCA Converter

Want to add a powerful amplifier or subwoofer to your factory car stereo — but your head unit doesn't have RCA outputs? This 12V Speaker-Level to RCA Converter is the perfect solution. It seamlessly converts your car stereo's speaker outputs into RCA line-level outputs, letting you integrate aftermarket amplifiers and subwoofers without replacing your entire head unit.

Made in Mainland China.

Why You'll Love It

Easy Amp Integration: Converts car stereo speaker outputs to RCA outputs, enabling you to add 2- or 4-channel amplifiers to stereos that lack RCA preamp outputs.
Subwoofer Ready: Easily add a powered subwoofer or external amplifier to your existing factory audio system — no new head unit required.
Adjustable Level Matching: Fine-tune the output from 0–2 volts to match your amplifier's input sensitivity perfectly and eliminate distortion.
Wide Compatibility: Works with car stereos rated up to 80 watts, covering most factory and aftermarket head units.
12V Plug-and-Play: Designed specifically for 12V automotive electrical systems for a safe, reliable connection.
Compact & Discreet: Slim plastic housing fits neatly behind your dashboard or under your seat.

Specifications

Type: Speaker-Level to RCA Converter
Voltage: 12V
Output Level: Adjustable 0–2V RCA
Interface: AV-Out (RCA)
Max Power Handling: Up to 80 Watts
Material: Plastic
Quantity: 1 pc

What's in the Box

1× Speaker-Level to RCA Converter (Line Output Converter)

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For more information on safe vehicle electrical system modifications, visit the U.S. Consumer Product Safety Commission (CPSC) for consumer product safety guidance.

Frequently Asked Questions

Q: What does this car audio RCA converter actually do?

A: This speaker-level to RCA converter takes the high-level speaker output signal from your factory or aftermarket car stereo and converts it into a low-level RCA (line-level) signal. This allows you to connect an external amplifier or powered subwoofer to a head unit that doesn't have built-in RCA preamp outputs.

Q: Will this 12V RCA converter work with my factory head unit?

A: Yes — this converter is designed specifically for factory and aftermarket car stereos up to 80 watts. As long as your head unit has speaker-level wire outputs, this converter will let you add an amplifier or subwoofer to your system.

Q: How do I adjust the output level on this converter?

A: The converter features an adjustable level-matching control that lets you dial in the RCA output voltage from 0 to 2 volts. Simply adjust the control to match your amplifier's input sensitivity — this helps prevent distortion and ensures clean, clear audio performance.

Q: Can I connect both a subwoofer amp and a full-range amp to this converter?

A: This converter supports 2 or 4-channel amplifier connections, making it versatile enough for both full-range stereo amplifiers and dedicated mono subwoofer amplifiers. Check your specific wiring configuration for best results.