Audio Isolator Working Principle: This noise isolator eliminates current noise in car speakers and home audio systems to deliver clear voice and music. Widely Compatible: Works with any portable device featuring 3-pin XLR input and output, suitable for car audio systems and home audio setups where grounding issues occur. Easy to Use: Plug and play design requires no complicated setup—simply connect the ground loop isolator. Portable: Compact and lightweight, it takes up minimal space and is easy to carry. Type: Audio Isolator Color: As Shown Material: Plastic + Metal Package Contents: 1 x Audio Isolator Note: Light reflection and different display settings may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.