The IWC-100 incorporates Audioplex OptiMatch amplifier protection.
Each zone's output can support one pair of 4 ohm speakers or two pairs of 8 ohm speakers.
Connect to any standard 8 ohm amplifier. Impedance is matched via the OptiMatch volume controls. Perfect for restaurants, bars or a small office complex, the IWC-100 and a good receiver or power amp supplies far higher volume than traditional commercial distribution systems with extraordinary clarity and bass response. No power is lost via heat or mismatching.