AmbiSonic Systems designs and manufactures residential and commercial planar ribbon loudspeakers, featuring the world's only outdoor, all-weather planar-ribbon design. Just 2 speakers cover 4,000 sq. ft. with full-range, sparkling clean sound. Optional subwoofers available. Our planar ribbon loudspeakers are also available as arrays with up 16 speakers per side. In addition, AmbiSonic offers the world's only outdoor amplifier, the L-240, with WiFi and Bluetooth capability. The L-240 is IP 65 rated for all-weather use, and outputs 240 watts - stable to 2 ohms.