Car Power Filter EMI Noise Ground Loop Isolator Suppressor for Auto Stereo Audio Radio Stereos Amplifier Amp Speaker Equalizer Subwoofer 12V

Price: $14.69
(as of Jan 11,2026 10:14:21 UTC – Details)

Features:

– Eliminates EMI/Ground Loop interference in the power source
– Reduces noise generated by cigarette lighter or other electronics
– Size: 2.5 x 1.7 x 0.1 inch
– Wiring Length: 7.5 inch
– Compatible with most DC 12V devices
– Easy to connect with battery and stereo

Pros:

– Crystal clear sound from car speakers
– Professional power filter for car audio
– Compatible with car stereos, amplifiers, speakers, etc.

Cons:

– May not completely eliminate all noise
– Requires proper installation and connection

Car Power Filter EMI Noise Ground Loop Isolator Suppressor for Auto Stereo Audio Radio Stereos Amplifier Amp Speaker Equalizer Subwoofer 12V

The car power filter is designed to eliminate EMI/Ground Loop interference in the power source caused by other car electronics or ignition. It is especially beneficial for car audio and sensitive electronic equipment. With a size of 2.5 x 1.7 x 0.1 inch and a wiring length of 7.5 inches, this power filter is compact and easy to install.

By filtering the power supply, this device can reduce noise generated by the cigarette lighter or other electronics, resulting in crystal clear sounds from the car speakers. The red wire connects to the battery 12v+, the yellow wire connects to the power cable of the stereo, and the black wire connects to the vehicle’s metal frame or any available ground wire.

This power filter is compatible with most DC 12V devices and effectively resolves the noise problem in car audio systems. It is suitable for use with car stereos, receivers, equalizers, amplifiers, speakers, and more.

With reliable and friendly service, you can expect a response within a 24-hour timeframe, a 30-day money-back guarantee, 12-month replacement, and lifetime support. Upgrade your car audio system with this power filter for improved sound quality and reduced interference.