JBL STX818S 18" Single Bass Reflex Subwoofer


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  • Regular price $0.00





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Get A Compact High Power System With The JBL STX818S 18" Single Bass Reflex Subwoofer - OPEN BOX

*OPEN BOX. 

The JBL STX818S is 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 JBL STX818S Subwoofer 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.


  • Frequency Range ( “óËé¼ËÇ£10 dB) 35 Hz-250 Hz
  • Frequency Response (“é’€ 3 dB) 40 Hz-120 Hz
  • Sensitivity (1W/1m) 96 dB
  • Power Rating 1000 W / 2000 W / 4000 W (Continuous/Program/Peak)
  • Rated Maximum SPL 132 dB SPL Peak
  • Nominal Impedance 8“Ä’
  • Input Connectors Two NL4
  • Operational Modes Subwoofer

Manufacturer: JBL Professional
Model: STX818S
Warranty: See manufacturer website for details
SKU: I289075-0