RMA 12" Subwoofer - Black - 500W RMS & 1000W Peak
 This RMA 12" marine subwoofer has a truly versatile design that will outperform in an infinite baffle configuration as well as being suited for sealed and ported enclosures. These subs will handle 500 watts RMS and have excellent low-end extension.This is the perfect sub, with a little wiggle room in the wallet for another pair of R1 marine speakers or R1 tower speakers. Wondering what to power it with? Check out the R1 1000.1 Marine Amplifier.
Features:
Dual spider ensures linear excursion
Dual 3" voice coils    
Custom machined wire terminals allow for rock-solid wire connections 
Integrated impedance switch allows you to easily select series or parallel voice coil configurations    
Klippel® tested and certified to guarantee acoustic performance    
Extreme salt and UV resistance
Klippel® optimizes motor structure for maximum power handling and sound quality
Specifications:
Color: Black
Continuous Power (RMS): 500 Watts
Peak Power (RMS): 1000 Watts
Sensitivity: 88dB @ 1W/1M
Frequency Response (+ / - 3 dB): 32Hz – 250 Hz
Impedance Ω: Dual 4Ω
Dimensions:
Nominal Diameter: 12 in. I 30.48 cm
Overall Diameter: 12.80 in. | 32.5 cm
Basket Diameter: 11.20 in. | 28.5 cm
Mounting Depth: 6.38 in. 16.2 cm
Total Depth: 8.50 in. 21.6 cm