Type: Dual 18-inch, two-way, bass-reflex subwoofer.
Frequency Range: 27 Hz - 220 Hz (-10 dB).
Frequency Response: 33 Hz - 220 kHz (±3 dB).
Power Rating: 1600 W continuous, 3200 W program, 6400 W peak.
LF Driver: 2 x JBL 2268H 18-inch Differential Drive woofers with neodymium magnets and dual voice coils.
Nominal Impedance: Parallel: 4 ohms, Discrete: 8 ohms x 2.
Enclosure: Rectangular, 18mm, 13-ply birch plywood.
Input Connectors: Neutrik Speakon NL-4 (x2).
Dimensions: 24 in. x 42 in x 33 in (610 mm x 1067 mm x 838 mm).