JBL STX818S 18" 2000W Passive Subwoofer

Single 18” Bass Reflex Subwoofer

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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.

Tech Specs

More Information
Brand: JBL
Powered: No
Total Channels: 2
LF Driver Size: 18"
Low Impedance: 8 ohm
Continuous Power: 1000W
Peak Power: 4000W
Maximum Peak SPL: 132dB
Frequency Range: 35 Hz-250 Hz
Depth: 28cm
Width: 22cm
Height: 22cm
Weight: 45kg
Manufacturer Part Number: STX818S
Country of Origin: United States

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