Dayton Audio D100T 100W Horn Driver with 70V Transformer Low distortion, high output with 100 watts RMS power handlingHigher SPL for large spaces, stadiums, outdoor venues, etc. where reach is criticalSmooth frequency responseBuilt-in 70V transformer with selectable tapsStandard 1-3/8” -18 TPI threaded horn couplingDurable phenolic-impregnated cloth diaphragm for crisp, articulate soundCast aluminum faceplate, gasketed housing, stainless-steel hardware ensure long-term reliability, indoors or outSpecifications:Exit Diameter: 1" (fits 1-3/8” -18 TPI threaded horn)Power Handling (RMS): 12.5W, 25W, 50W, 100WImpedance: 70vFrequency Response: 200 - 8000 HzSensitivity: 107 dB 1W/1mVoice Coil Diameter: 2"Voice Coil Material: Kapton / CopperOverall depth: 175mmWeight: 7 Lbs.