B C Speakers 5NSM38 8 LF Drivers 5 inch ND Sealed Mid Midranges 110 Watt RMS 220 Watt Max Pro Audio Component Speaker Driver for Motorcycle Car HIGHLIGHTS 220 W continuous program power capacity 38 mm 1 5 in aluminium voice coil 300 3500 Hz response 99 dB sensitivity Ideal for Direct Radiation and Horn Loaded Midrange application Extremely Low Distortion Figure SPECIFICATIONS Nominal Diameter 127 mm 5 0 in Nominal Impedance 8 Minimum Impedance 6 3 Nominal Power Handling1 110 W Continuous power handling2 220 W Sensitivity 1W 1m 3 99 0 dB Frequency Range 300 3500 Hz Voice Coil Diameter 38 mm 1 5 in Winding Material Aluminium Former Material Glass Fibre Winding Depth 7 0 mm 0 29 in Magnetic Gap Depth 6 0 mm 0 24 in Flux Density 1 45 T DESIGN Surround Shape Double Roll Cone Shape Radial Magnet Material Neodymium Ring Spider Single Pole Design T Pole Woofer Cone Treatment WP Waterproof Front Side MOUNTING AND SHIPPING INFO Overall Diameter 157 mm 6 18 in Bolt Circle Diameter 142 mm 5 59 in Baffle Cutout Diameter 122 0 mm 4 8 in Depth 108 mm 4 25 in Flange and Gasket Thickness 9 mm 0 35 in Air Volume Occupied by Driver 1 2 dm3 0 04 ft3 Net Weight 1 37 kg 3 02 lb Shipping Units 1 Shipping Weight 1 57 kg 3 46 lb Shipping Box 170x170x140 mm 6 69x6 69x5 51 in For simplified cabinet assembly and efficient thermal transfer to the air our NS M series of sealed back midranges feature a cast aluminum sealed chassis high strength neodymium motor and large internal volume for good low frequency performance Large voice coils provide power handling while careful selection of suspension and cone components results in exceptional sensitivity These dedicated narrow bandwidth midranges offer the lowest distortion at given output of any midrange available