Boss Audio MR752C 2-Way 7.5" 400 Watt Marine Boat Speaker (pair)
7.5" Full Range Marine Speaker Custom Tooled High Efficiency Poly Injection Cone Butyl Rubber Surround 1-1/2" (38mm) Aluminum Voice Coil 400 Watts Peak / 200 Watts RMS Frequency Response: 40Hz-20KHz Sensitivity: 92dB (1W/1M) Impedance: 4 Ohms Mounting Depth: 2-3/4" (70mm) Mounting Diameter: 6-11/16" (169.5mm) Specifications Tweeter Type: 1" PEI Dome Max Power: 400 Watts Efficiency (1W/1M): 92 Frequency Response: 60-20kHz Min. Mounting Depth Allowing Clearance (mm/in): 70mm/23/4" Impedance: 4 ohms Sealed Enclosure Volume (cubic ft): 0.71 Ported Enclosure Volume (cubic ft): 1.25 Ported Diameter (mm/in): 60mm (2-3/8") Port Length (mm/in): 30mm (1-3/16") Calculating Required Enclosure Volume These loudspeakers will perform best if they are installed in a sealed or a ported enclosure with the appropriate interior volume. Please refer to the tables for the suggested volume for your speaker and applications. These volumes are provided in the table above are in cubic feet. In order to desig