JBL STX818S Passive Subwoofer 18inch 2000W


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.

JBL STX818S Subwoofer 18inch 2000W

  • 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 ( –10 dB)   :   35 Hz-250 Hz

Frequency Response (± 3 dB)   :   40 Hz-120 Hz

Sensitivity (1W/1m)   :   96 dB

Power Rating
(Cont. Pink Noise/Program/Peak)
  :   1000 W / 2000 W / 4000 W

Rated Maximum SPL   :   132 dB SPL Peak

Nominal Impedance   :  

Input Connectors   :   Two NL4

Operational Modes   :   Subwoofer

Dimensions (H x W x D)   :   558 mm x 568 mm x 718 mm
(22.0" x 22.4" x 28.3")

Net Weight   :   45 kg (100 lbs)

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See Also : Passive Subwoofer, JBL