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JBL STX818S 扬声器
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.


Frequency Range ( –10 dB) 35 Hz-250 Hz
Frequency Response (± 3 dB) 40 Hz-120 Hz
Sensitivity (1W/1m) 96 dB
Power Rating 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)