Key Features: Low Profile 8" coaxial two-way Waveguide coupled Ti Tweeter Full bandwidth overload protection Front baffle wattage tap adjustment Integrated low loss matching transformer allows for either 70v/100v or 8-ohm operation Includes tile bridge and mounting ring for easy installation Integrated ported enclosure for extended bass response Ideal for ceiling spaces with tight clearance UL and CE listed SPECIFICATIONS Max Calculated SPL 60 watt Transformer coupled @ 4 meters: 92 dB 100 watt Direct coupled @ 4 meters: 95 dBdB HF Transducer 1 in (25 mm) Ti Mylar laminate LF Transducer 8 in. (200 mm) Polypropylene cone Grille Perforated powder coated steel wit safety tether Transformer Taps 70V: 1.88, 3.75, 7.5, 15 or 30 100V: 3.75, 7.5, 15 or 30W Bypass: 8 Ohms Connectors Phoenix type removable, with scre terminals and "loop-thru", accepts 12 ga wire Enclosure Baffle- UL 94V-O rated AB Backcan-Zinc plated steel Dimensions (H x Dia) 7.0" x 10.6 (178mm x 270mm) Cutout Size 10.75" (272mm) Net Weight 11.0 lbs (5.0 kg) Shipping Weight:(pair) 24.0 lbs (11.0 kg) Support Hardware Tile bridge, backing plate support cutout template, paint shield Freq. Response (-10 dB) 50 Hz - 20 kHzdb Coverage (Conical) 110° Power Handling 75 W Cont. / 300 W Peak Sensitivity (SPL 1W/1m) 91 dB Network Network and transducers protected 12 dB/oct 2.6 kHz Safety Agency Ratings UL 1480 Safe for use in air handling spaces per UL 2043 Impedance 8 Ohms nominal (transformer bypass)