About this item

• 【Car power filter】It can eliminate the EMI/Ground Loop interference in the power source caused by the other car electronics or ignition. Especially good for car audio, sensitive electronic equipment, etc. Size: 2.5 x 1.7 x 0.1 inch. Wiring Length:7.5 inch.
• 【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.