Eight Satellite speakers and one Subwoofer system present a combined 8 ohm impedance to the amplifier. Perfectly even coverage and high quality sound in areas of up to 2000 sq.ft (185 sq.m). Satellite speakers designed to hide amongst plants. Below-ground subwoofer with canopy hidden under foliage. Runs off a standard 2-channel power amplifier or stereo receiver. Daisy-chain wiring configuration for simple installation with 14 gauge, 4 conductor wire. Designed to handle extreme conditions.