Diamond Audio MS104SL – 10 inch / 250mm Sealed/Vented Marine Subwoofer
4Ω Impedance
200W RMS,400W MAX
Single Voice Coil
Mounting Diameter: 9.22” / 234.3mm
Mouthing Depth: 4.74” / 120.3mm
Outside Diameter: 10.91” / 277.0mm
SPECIFICATIONS:

Subwoofer Size 10″
Nominal Impedance (ohms) 4Ω
RMS Power Rating 200W RMS
Max Power Rating 400W MAX
Mounting Diameter (inch/mm) 9.22” (234.3mm)
Mounting Depth 4.74” (120.3mm)
Outside Diameter: 10.91” (277.0mm)