Features 6-1/2" Woofer, 2" Tweeter160W Peak Power (45W RMS)Frequency Response 35Hz-26kHz91dB EfficiencyStrontium MagnetMounting Diameter 5", Depth 2-1/2"Water-resistant Marine DesignUV Resistant - Tested under ASTM G154High power handlingInsulated tinsel leadsSpecifications Frequency Response (Hz): 35-26,000Sensitivity 1W/1M (dB): 91Nominal Imp (Ohms): 4Mass (lb/oz): 2/2RMS Power (W): 45Max Power (W): 160Magnet Material: StrontiumMounting Diameter (inch): 5Diameter (inch): 6-1/2 Dual ConeMounting Depth (inch): 2-1/8Cone Material: Polypropylene