Ground isolator. Compact design for preventing signal interference and hum loops which may occur, e.g. when connecting PC sound cards or laptops to an amplifier. Specifications: Galvanically isolated inputs and outputs, 2 x 3.5 mm stereo plug, Input/output impedance: 20 kΩ, Frequency range: 20-30,000 Hz, THD: < 0.01%, Transmission ratio 1:1, Ø 24 mm x 38 mm, 32 g, Length including connection cable: approx. 80 cm