Polk Audio DB840DVC
1/3
- 8″ subwoofer with dual 4-ohm voice coils
- polypropylene cone with Santoprene rubber surround
- marine-certified for use in boats and convertibles
- power range: 50-180 watts RMS (90 watts per coil)
- peak power handling: 360 watts
- frequency response: 30-200Hz
- sensitivity: 85 dB
- top-mount depth: 4″
- sealed box volume: 0.35 cu. ft.
- ported box volume: 0.6 cu. ft.