Specifications

Type Round dual-voice-coil ceiling speaker Driver 5.25” (13.3 cm) poly-mica cone with enhanced high-frequency response Frequency response 65 Hz–16 kHz ±3 dB Impedance 8 ohms per channel Efficiency 88 dB (1 watt @ 1 meter with 1 kHz) Recommended power Up to 50 watts per channel Grille Perforated steel Frame diameter 8” (20.3 cm) Cutout diameter 6.625” (16.8 cm) Mounting depth 2.625” (6.7 cm) Rough-in bracket (not included) SB-1.5