Portable Sound EON 210P : EON 300 : EON 500  : JRX100 : JRX200 Series : PRX400 Series : PRX600 Series : STX800 Series : VRX       STX818S Single 18” Bass Reflex Subwoofer   Brochure Spec Sheet Hi Res Image Hi Res Image 2 Hi Res Image 3 Hi Res Image 4 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. Features :   Specifications : 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   :   8Ω 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)