Wet Sounds Revolution Series 10 inch HLCD Wakeboard Tower Speakers - Black w/X Mount Kit RMS Watts: 300 PEAK Watts: 600 Frequency Response: 20Hz to 20KHZ Sensitivity: 92 db at 1watt/1 meter 10 inch Kevlar reinforced EFG cone woofers with polyurethane surround. Pro-Axial Driver - Coaxially mounted Titanium Diaphragm High Output