Compact ground isolator for preventing signal interference and hum loops which may occur, e.g. when connecting PC sound cards or laptops to an amplifier. It provides galvanically isolated inputs and outputs (2 RCA plugs, 3.5 mm stereo plug). It comes with a 115cm long connection cable. Input/output impedance: 20k Ohm. Frequency range: 20 Hz-30 kHz. THD: < 0.01 %. Transmission ratio 1:1. Dimensions: 24 x 38 mm. Weight: 32 g.