SC-630TU, TOA 30-Watt, 25/70-Volt Paging Horn Speaker The SC-630TU is a compact, highly intelligible speaker suited to public address announcement applications. Its external speaker component finished with powder coating, and stainless steel bracket and screws ensure the unit's weatherproof capability. The SC-630TU is certified to UL 1480 UUMW and ULC-S541 standards, and suitable for outdoor use. Rated Input: 30 W Rated Impedance: 70 V line: 170 Ω (30 W), 330 Ω (15 W), 650 Ω (7.5 W)25 V line: 21 Ω (30 W), 42 Ω (15 W), 170 Ω (3.9 W), 330 Ω (2.1 W), 650 Ω (1.1 W) Sound Pressure Level: 113 dB (1 W, 1 m at 500 Hz to 2.5 kHz peak level) Frequency Response: 250 Hz - 10 kHz Polarity: Hot - Black and Red cables, Com - White and Green cables Speaker Cable: 4-core FPL listed cable 0.6 m (1.97 ft), (4.8 mm (0.19") in diameter, 600 mm (1.97 ft) in length) Compliance/Certifications: UL 1480 UUMW, ULC-S541 Dust/Water Protection: IP65 Operating Temperature: -40 °C to +66 °C (-40 °F to 151 °F) (must be free from dew condensation) Finish: Horn flare - Aluminum, white (RAL 9010 equivalent), powder coatingReflector horn: ABS resin, white (RAL 9010 equivalent), Rear cover - ABS resin, gray (RAL 7031 equivalent)Bracket, screws and bolts: Stainless steel Dimensions: 285 (W) x 227 (H) x 277 (D) mm (11.22 x 8.94" x 10.91") Weight: 2 kg (4.41 lb)