Description: Made of high-quality plastic. Come with a Male to Male 2 RCA Cable for your convenient to use. it is a stable and wear-resisting little tool for noise cancellation. It can help to reduce the noise in the audio system. Works on amplifiers, speakers or source units. Specification: Color: Grey Material: Plastic,Metal Input Voltage: 12V Current: 10A Size: approx.7cm*4cm*3cm Package Includes: 1 Piece Noise Filter 1 Piece Male to Male 2 RCA Cable Note: Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm) Please check the size measurement and the picture carefully before making payment. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand,Thank you