2X6 Matrix Speaker Selector Switch Switcher Volume Level Control, 2-AMP 6-ZONE 900-Watt 6 pairs of speakers can be controlled independently. Heavy duty transformer based impedance matching system protects your valuable amplifier and speakers from damage Can be connected to 2 separate amplifiers via A/B switch. 300Watt RMS / 900Watt Total Music Power Capability. Input/output through push terminals which accept up to 14awg speaker wire. Any 1 pair or up to all 6 pairs can be controlled at the same time or in combination with a volume control.