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

[Car Power Noise Filter] Designed to help reduce EMI and ground loop interference generated by vehicle electronics or ignition systems. Suitable for use with car audio systems and other electronic devices. [Reduce Audio Noises] Filtering the power supply can reduce noise generated by the cigarette lighter or the other electronics. Get crystal clear sounds from the car speakers. [How to connect] The red wire connects to the battery 12v+, the yellow wire connects to the power cable of the stereo where the electricity is going. The black wire connects to the vehicle’s metal frame or any available ground wire. [Max Compatibility] Professional power filter for most of DC 12V devices. Effectively resolve the noise problem of car audio. Compatible with car stereos receivers, equalizers, amplifiers, speakers, etc. [Reliable and Friendly Service] Ready to respond within a 24 hour time frame. 30-Day money back guarantee, 12 month replacement and lifetime Support.Size: 2.5 × 1.7 × 0.1 inch Wiring Length: 7.5 inch