The OMNITRONIC LH-082 Stereo Isolator XLR is a passive analog stereo line isolator for reducing signal interference and ground-loop problems. Its input and output paths are galvanically isolated by two audio transformers. The unit has balanced 3-pin XLR connectors, a frequency range of 15 to 30,000 Hz, a signal-to-noise ratio above 95 dB, and 600-ohm input and output impedance. It is housed in a silver metal enclosure.