RCA Audio Isolator 4CH Audio Noise Reducer Current Silencer Ground Loop Audio Isolator For Car Audio Modification Easy To Use_x000D_ _x000D_ _x000D_ RCA Audio Isolator 4CH Audio Noise Reducer Current Silencer Ground Loop Audio Isolator For Car Audio Modification, Easy To Use _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ Input channel: supports four RCA/(2 sets of stereo) lotus head interface inputs _x000D_ Output channel: supports four-way RCA/(2 sets of stereo) lotus head interface output _x000D_ Isolation cattle: 4 professional isolation cattle are used to independently isolate 4 channels _x000D_ Frequency bandwidth: 20hz~20Khz _x000D_ Input and output interface: Input and output adopt gold-plated lotus head interface _x000D_ _x000D_ Isolation voltage: AC50HZ-60HZ 0V-1500v _x000D_ Output loss: Less than2db _x000D_ Input and output impedance: 600 ohms (AC impedance): 600 ohms (AC impedance) _x000D_ Power supply: no external power supply required, plug in and use directly _x000D_ size: 9 x 6 x 2.5cm _x000D_ Material: Aluminum alloy _x000D_ colour: Black _x000D_ _x000D_ Package Contents: _x000D_ 1 x audio isolator _x000D_ _x000D_ Only the above package content, other products are not included. _x000D_ Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ Due to differences in shooting equipment, displays, and production batches, the product may have slight color differences. This is normal, please refer to the actual product. We have tried our best to restore the true color through professional equipment, but we still recommend that you watch it under natural light for the most accurate visual effect.