Summary: Diameter: 6x9 Inch; Sensitivity: 90 dB; Impedance: 4 Ohm; Frequency Response: 20-20000 Hz; RMS Power Range: 150 Watts; Peak Power Handling (Watts): 300 Watts; Color: Black; RMS Power Handling: 150 Watts; REV TEC Technology: The REV 6X9-SM uses Wet Sounds' 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.; Pro-Axial Driver Design: The driver compliment in each REV 6X9-SM speaker combines one 6x9-inch EFG cone woofer with polyurethane surround and one coaxially mounted HLCD (Horn Loaded Compression Driver). This combination provides high output, full- ...