2x5 Matrix Speaker Selector Switch Switcher with Volume Level Control Accepts two Amplifier inputs and extends to 5 pairs of speakers with volume level control for each. Compatible with speaker impedances 4-16 in any combination. Input/output through push terminals which accept up to 14awg wire and also accept 4mm banana plugs. Each speaker channel provides A/B switch to select either of the two amplifiers connected to the unit. Handles 100WPC RMS / 200WPC PEAK.