JBL STX818S STX800 Series

In Stock


Single 18” Bass Reflex Subwoofer

A single 18" compact high power subwoofer system in a front-loaded, vented enclosure designed for minimum frontal area provides 1,000 watts of continuous pink noise power handling, 2 kW program and 4 kW peak. The STX818S also comes equipped with a top-mounted M20 pole-mount and an optional wheel kit.


  • 18 in. Super Vented Gap™ woofer for extended low-frequency output.
  • Large port area for reduced distortion.
  • 20 mm threaded pole socket for solid, secure satellite speaker mounting.
  • Rugged DuraFlex™ coated enclosures sized to be truck pack friendly.
  • 14-Gauge steel grille lined with acoustically transparent cloth.


Product Code: STX818S
Brand: JBL
Technical specifications
Frequency Range 41 Hz – 15 kHz (-10 dB)
Sensitivity 116 dB, 2.83V @ 1m
Maximum SPL 109 dB SPL, 137 dB Peak
Nominal Impedance 8 ohms
Power Rating 220 W (AES)
Physical parameters
Dimensions (mm) 500 mm X 560 mm X 570 mm (19,7 in X 22,1 in X 22,5 in)
Net Weight 79 kg (173,8 lb)
Shipping Weight 88 kg


Write a review