JBL PRX518S, 18" Self-Powered Subwoofer System. Compact and powerful, the PRX518S offers the performance of an 18" subwoofer in a package not much larger than a typical 15" sub.

Features

• JBL VGC™ (Vented Gap Cooled) woofer
• Class-D, Crown® digital amplifier
• DSP, input section with selectable crossover, dynamic limiting, component optimization, selectable polarity reverse
• Professional XLR line and ¼" Mic/Instrument inputs
• Stereo input and Loop-Thru capability
• Illuminated logo for clear Power-On status
• Top panel pole mount socket for sub/satellite configuration
• DuraFlex™ coated plywood construction
• Wrap around heavy duty steel grille provides protection without obstructing performance.

Specification

• Frequency Range: 37 Hz – 140 Hz
• Frequency Response: 52 Hz – 110 Hz
• Nominal Impedance: 34 K Ohms (balanced), 18 K Ohms (unbalanced)
• Power Capacity: 500 W continuous, 1000 W peak
• Rated Maximum SPL: 129 dB SPL peak
• Dimensions (H x W x D): 725 mm x 535 mm x 610 mm (28.5 in x 21 in x 24 in)
• Weight: 36 kg (79 lb)
• Low Frequency Driver: 1 x JBL 2044E 460 mm (18 in) woofer