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 KlippelA(R) tested and certified to guarantee acoustic performance Extreme salt and UV resistance KlippelA(R) 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 : Dual 4 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