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I am a business consultant and will use this for “special effects” when I speak. But I want to tell you that your business gets an A+ in service----I called a while back---every question answered, very nice. And this email is excellent. Businesses that get it right don’t get enough recognition! Great work and thank you Chris

STX828S Speaker by JBL
STX828S Speaker by JBL
Product Code: STX828S
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List Price: $2,499.00
Price: $1,999.00
You Save: $500.00 (20%)

STX828S Speaker by JBL

Dual 18" Bass Reflex Subwoofer.
A dual 18" high power subwoofer system in a front-loaded, vented enclosure designed for maximum low-frequency performance. The STX828 has an optional wheel kit. Two drivers give 2,000 watts of continuous pink noise power handling, 4kW program and 8 kW peak.


  • Dual 18 in. Super Vented Gap woofers for extended low frequency output.
  • Dual 18 in. Super Vented Gap woofers for extended low frequency output.
  • Rugged DuraFlex coated enclosures sized to be truck pack friendly.
  • 14-Gauge steel grille lined with acoustically transparent cloth.


  • Frequency Range ( –10 dB) : 32 Hz-250 Hz
  • Frequency Response (± 3 dB) : 37 Hz-120 Hz
  • Sensitivity (1W/1m) : 99 dB
  • Power Rating : 2000 W / 4000 W / 8000 W (Continuous/Program/Peak)
  • Rated Maximum SPL : 138 dB SPL Peak
  • Nominal Impedance : 4Ω
  • Input Connectors : Two NL4
  • Operational Modes : Subwoofer
  • Dimensions (H x W x D) : 564 mm x 1137 mm x 714 mm. (22.2" x 44.8" x 28.1")
  • Net Weight : 82 kg (180 lbs)
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