KSRIDOTE 4 PCS Ground Loop Noise Isolator for Car Audio/Home Stereo System, Ground Loop Isolator Noise Filter with 3.5mm Audio Cable

4 PCS Ground Loop Isolator for Car Audio/Home Stereo System, Ground Loop Noise Isolator Noise Filter with 3.5mm Audio Cable Feature: 1. Effectively Lower the Noise 2. Compatible with All Audio Device That Has 3.5mm AUX Jack. eg. home theatre, car aux, stereo, pc speaker, headphones, etc 3. Easy to Use. Use it as a middle part 4. Portable. Plug and play, mini-size and lightweight 5. Excellent Service. If you find the ground loop isolator is not suitable for your car audio/home stereo system, or you have ANY problems with the ground loop noise isolators, you can tell us, and we will help you fix the problem ASAP Package Include: 4pcs ground loop noise isolator with 3.5mm audio cables, 1 manual