JBL SRX818S 18-inch Passive Subwoofer System

The SRX818S is a single 18" subwoofer for concert, touring, or installation use. It features a standard M20 pole cup for use with top-mount enclosures, indexing feet for stacking in both standard and cardioid positions, and a maximum SPL of 136dB. The SRX818S is an ideal solution for musicians, bands, and DJs using in concerts, public speaking, or installations such as performance venues, corporate spaces, educational facilities, or houses of worship. Tuning and presets are available for the Crown iTech HD.Features? Premium JBL transducers? Rugged and versatile enclosures? Tuning available for Crown amplifiers and dbx signal processors? Fully Audio Architect compliant? Power handling: 2400W peak, 1200W program, 600W continuous? Frequency range: 28Hz-150Hz? Frequency response: 45Hz-150Hz? Maximum SPL: 129 dB (peak)? Amplification Options: Passive? 8-ohm, 18-ohm 2279 LF Woofer