POWER OPTIONS: 70V or 8 ohm operation with built-in transformer; 8-ohm bypass rated 100W RMS and 200W peak SELECTABLE TAPS: 50W, 25W, 12.5W, 6.25W via rear tap switch for easy system balancing SOUND PERFORMANCE: 38Hz-300Hz frequency response and 89 dB sensitivity with a 30 oz magnet for strong low-frequency support EASY INSTALL: Detachable Phoenix terminals accept standard speaker wire for fast, secure installation COMMERCIAL USE: Installs in drywall or drop ceilings; metal rough-in bracket included; unit weight 15 lbs; ideal for restaurants, retail, offices, schools, churches, and conference rooms