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.

Features:

• 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.

Specifications:

• 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)