Indoor/Outdoor Cone Sound Projector This dual-cone, all-weather, full-range speaker is built for long-term reliability in constant-voltage, distributed audio systems. Frequency response is suitable for both music and or speech. Molded ABS housing is protected from the elements by a UV inhibitor. Speaker is sealed from the rear with a silicone rubber-like gasket, a gland nut and stainless steel hardware.Specifications:* 28 Watt*Speaker Cone Size: 5-1/4″ (134mm) *Frequency Response: 160Hz-20kHz+/- 6dB*Low Freq. -3dB Down Point: 165Hz*SPL @ 1W, 1m: 92dB*SPL @ Full Power, 1m: 105dB*Dispersion: 110 Degree(at 2kHz, 6dB down)*Cone design: Twin cone, polypropylene*Stainless steel mounting hardware.Penton Audio USACAD20T