Description: -6 port stereo speaker selector amplifier switch switcher. Connect multiple speakers to an audio amplifier/receiver as loudspeakers to select a pair of speakers at a time. -The speaker switcher allows the user to connect multiple pairs of speakers to a single stereo receiver or amplifier or vice to multiple amplifiers/receivers of a single speaker pair. -The device has a convenient button terminal that can accept up to 12 AWG speaker lines. The high-current amplifier protection circuit allows up to 6 pairs of speakers to be connected without damaging the amplifier. -Select each time with a manual button on the front panel. Independent left/right channel grounding path, are compatible with all stereo amplifiers. -[Note]: this speaker switch does not allow multiple speaker pairs to be selected simultaneously. Only one pair of outputs can be selected at a time. This speaker selection can also be used in the opposite way, imagine having multiple amplifiers connected to a speaker pair for setting. Specification: Use convenient button terminal, can accept up to 12 AWG loudspeaker wires. up to 100 watts of amplifier power and 4 to 16 ohms of all types of speakers. No external power supply is required. Rated power: 100 watts per channel. Material: Metal Shell Size: 240x93x42mm/9.44x3.66x1.65inch Package Includes: 1 Piece Bidirectional Amplifier Speaker Switch Selector Note: Please allow slightly difference due to manual measurement. Color may be slightly different since different monitor.