The Luxman AS-55 is a high-quality speaker system selector. To avoid noise through the ground loop it features a high quality design grounding switch for each pair. It also features (99.99997% copper) wire 6N pure wiring, gold plated high purity to the terminal that consists of a grade that is comparable to high-end separate amplifier. There is no compromise in sound quality.
One stereo amplifier to three different sets of speaker terminals; 1, 2 or 3 - only one pair can be selected at any time.This can also work in reverse, allowing you to easily switch between multiple stereo amplifiers into one pair of speakers.
3 input and one output or the reverse.