The MUSICASS6 speaker selector is the ideal accessory for any homeowner using a distributed audio system. This low-profile accessory can be easily mounted on a shelf, in a closet, or any other convenient location. The unit features automatic impedance matching ensuring that all speakers in the system, whether 8Ω, 16Ω, or 4Ω, can function with the unit as well as push button power On and Off capability. The unit allows the user to control up to six separate speaker pairs by selecting them to be On or Off. Perfect for sending your audio source to the garage or patio without having to have additional electronics in each location. Each speaker pair output is capable of handling up to 40 watts of RMS power from the amplifier.