The JBL SRX718S is a compact, high-power passive subwoofer system designed to deliver tour-quality low-frequency performance in a portable format. Featuring an 18-inch 2268H Differential Drive® neodymium woofer, this front-loaded, vented enclosure provides deep, resonant bass with minimal distortion.

Built for the rigors of professional use, the SRX718S is constructed from 13-ply birch plywood and finished in JBL’s rugged DuraFlex™ coating. Its compact footprint makes it an ideal choice for live performance venues, mobile DJ setups, and high-end sound reinforcement arrays where space and power are equally critical.
Key Features:
High Power Handling: 800W Continuous / 1600W Program / 3200W Peak.
Differential Drive® Technology: Patented 18-inch woofer for extended low-frequency output and reduced weight.
Rugged Construction: Heavy-duty 18 mm birch plywood enclosure with a powder-coated 16-gauge steel grille.
Integrated Mounting: Top-mounted M20 threaded pole socket for secure satellite speaker mounting.
Flexible Connectivity: Equipped with dual Neutrik® Speakon® NL-4 connectors with switchable input modes (+1/-1 or +2/-2).
Technical Specifications:
System Type: 18" Bass-reflex Subwoofer
Frequency Range (-10 dB): 31 Hz – 220 Hz
Maximum SPL: 130 dB SPL peak
Nominal Impedance: 8 Ohms
Dimensions (H x W x D): 508 mm x 597 mm x 749 mm