Effective in anti-interference, current isolation and wave filtering, the receiver is plug and play and easy to use. Eliminating the buzz and noise caused by ground loop, this receiver offers you clear music sound quality. This filter receiver is constructed of abs material. This receiver eliminates buzzing, offers pure sound quality, is plug and play, easy to use and batteries free. The length is 5.9cm, the width is 2cm and the height is 1.8cm. This receiver is suitable for home and car stereo system. Item Name: Filter Receiver Material: ABS Features: Plug And Play, Anti-jamming, Corrosion Resistance Size Details: L: 5.9cm/2.32", W: 2cm/0.79", H: 1.8cm/0.71"(Approx.) Notes: The problem that noise cannot be eliminated: the noise caused by non ground loop cannot be filtered, such as electromagnetic interference. Before purchasing, you must confirm the noise source by yourself. This product is an audio ground loop isolator, which is effective for the noise caused by the ground loop of the sound source and the receiving equipment. Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Filter Receiver 1 x Audio Cable