Studio subwoofer for applications in which very high continuous output and extreme low frequency response is required. With in-room response below 18Hz and 137 dB peak output, the SUB18 delivers unprecedented performance for demanding dance music production, while providing exceptional accuracy required in cinema post production applications. In-room response below: 18 Hz. Frequency Response, -10 dB: 20.6 Hz. Frequency Response, -6 dB: 23.1 Hz. Maximum Peak Output: 137 dB SPL. System Input Power Rating: LF 2000 W continuous/8000 W peak. Sensitivity: 92dB @ 1m, 2.83 V. Recommended amplifier power: 3,500 to 4,000 W into 8 Ohm. Recommended signal processing: Crown iTech HD Power Amplification. LF Transducer: 18-inch, 4-inch dual voice coils, dual neodymium magnets. Differential drive direct cooled. Rated Impedance: 8 Ohm. Enclosure: 18 mm 11-ply Baltic birch plywood. Input connectors: 2 ea. Push Terminals. Dimensions: (including feet) 685 x 762 x 620 mm. Weight: 45 kg. Colour: Black