RMS Watts: 200 PEAK Watts: 400 Frequency Response: 20Hz to 20KHZ Sensitivity: 92 db at 1watt/1 meter 8 inch Kevlar reinforced EFG cone woofers with polyurethane surround Pro-Axial Driver - Coaxially mounted Titanium Diaphragm High Output Wet Sounds REV8W-X X-Mount Revolution 8" EFG 4 ohm EFG HLCD Tower Speakers - White (pair) The Revolution Series uses our proprietary REV TEC technology. Unlike most conventional designs, REV TEC technology provides remarkable volume and amazing full range sound quality on axis and off axis at long distances. Extensive acoustic testing has confirmed these speakers ability to project volume at 80 feet and beyond without any loss of detail or information.Not only does the Revolution series achieve volume and sound quality at a minimum of 80 ft, but with the REV TEC technology the rider can enjoy quality sound while riding outside the wake and being almost parallel to boat. Sold in pairs. Specs: Impedance: 4 ohms RMS Watts: 200 PEAK Watts: 400 Frequency Response: 20Hz to 20KHZ Sensitivity: 92 db at 1watt/1 meter Mid Bass: 8 inch Kevlar reinforced EFG cone woofers with polyurethane surround. High Frequency: Pro-Axial Driver - Coaxially mounted Titanium Diaphragm High Output Horn Loaded Compression Driver Size & Weight: Front-Back: 11 1/2" (292.10mm) Hang Height 9 9/16" (242.88mm) Width: 8 3/4" (222.25mm) Hang Weight: 12.8 pounds / 5.80 kg each Note: All specifications are for each REV8 enclosure