- Passive, dual 18" subwoofer with 4,000-watt RMS power rating at 4 ohms
- Exceptional low-frequency response, 32Hz-250Hz
- Maximum SPL of 138dB, sensitivity is 99dB (1W/1M)
- DuraFlex enclosure finish protects the cabinet
- 14-gauge steel grill protects the woofer
- Multi-ply birch/poplar construction for incredible strength
- 180 lbs.