- Prevents disturbing noise generated by different chassis earths on a radio and amplifier ,- Gold-plated plug with low contact resistance for secure signal transmission ,- Is connected to the RCA line between the input and output stage - Input: 2x RCA, gold-plated ,- Number of Inputs: 2 ,- Number of Outputs: 2 ,- Output: 2x RCA, gold-plated ,- Distortion: Under 0.001 % ,- Transfer Ratio: 1 : 1 ,- Frequency Range: 40 - 32000 Hz ,- Impedance: 10 Ω 2 years legal warranty only