
Customers consistently note the Ground Loop Isolator for its ease of use and straightforward installation. Many appreciate its affordable price point. However, a significant number of users have reported experiencing unwanted noise even after using the product. Some have also mentioned concerns regarding potential audio quality and bass reduction.
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This ground loop isolator integrates into the OEM system of your vehicle to eliminate ground loops for quality audio reproduction.

Eliminate noise from your car audio system with this Universal Ground Loop Isolator by PAC. The LPGL-2 accepts 3.5mm or RCA inputs and outputs and can also be utilized as a converter. This ground loop isolator features an ultra-compact housing that can be wire-tied, screw-mounted, or taped for a variety of installation options.

Easily install a replacement or upgrade to your factory car stereo system with this convenient installation kit.

Easily add an aftermarket amplifier to your vehicle’s factory audio system with the LocPRO 4-Channel Line Output Converter by PAC. The LP6-4 converts speaker-level (high-level) audio signals to RCA preamp (low-level) signals so you can install an aftermarket amplifier without replacing your factory radio. This four-channel line output converter can also be used to retain your vehicle’s OEM amplified audio system when replacing the factory radio.
| Pros for Metra - Ground Loop Isolator - Black | |||
|---|---|---|---|
| Ease of use, Installation, Price | Complete parts | Compatibility, Appearance, Fit, Installation Ease, Build Quality | Ease of use, Installation, Compatibility, Sound Quality, Line Output |
| Cons for Metra - Ground Loop Isolator - Black | |||
| Noise, Ground Loop, Audio Quality, Bass | Didn't work | There were no cons for this product— | RCA Jacks |