Audiophile grade speaker switch which means that you can switch between 2 pairs of speakers from a stereo amplifier using either high quality gold plated banana plugs or spade connectors. The minimum load impedance of the switch is 4 ohm, using 2 pairs of 8 ohm speakers. This will allow you to have 2 pairs of speaker & switch between them, whether it is speakers in a different room, or different speakers for different types of music, it is a very versatile piece of equipment.