Portable Sound EON 300 : EON 500  : JRX  : MRX500 Series : PRX500 Series : PRX600 Series : SRX700 Series : VRX       JRX118S 18" Compact Subwoofer   Brochure Spec Sheet Hi-Res Image Bags and Covers The JRX118S is driven by a massive JBL 18" woofer with a cast frame and 3" voice-coil. Features :   Specifications : 18 in. compact subwoofer. 350 W (continuous), 1400 W (peak) power capacity. The rugged enclosure is constructed from 19 mm (.75 in) MDF (Medium Density Fiberboard) using advanced adhesives and mechanical fastener technology for durability and improved low-frequency performance. The enclosure is covered in black carpet. A top mounted, cast aluminum 35 mm pole mount receptacle can receive an optional SS3BK pole to facilitate use of the JRX118SP as a base for a midhigh speaker cabinet. Non-resonant, all steel handles are used. Attractive 18-gauge perforated steel grille protects components from damage. 35 mm pole mount receptacle for use with satellite speakers.   Power Rating   :   350 W / 1400 W Frequency Range   :   38 Hz - 300 Hz (-10 dB) Dimensions (H x W x D)   :   597 mm x 516 mm x 559 mm (23.5 in x 20.3 in x 22 in) Frequency Response   :   55 Hz - 300 Hz (±3 dB) Sensitivity   :   96 dB SPL Nominal Impedence   :   4 ohms Recommended Amplifier Power   :   350 W to 700 W into 4 ohms Recommended Crossover Settings   :   30 Hz HPF, 24 dB / octave; 80 - 100 Hz LPF, 24 dB / octave Maximum SPL   :   127 dB Weight   :   32.2 kg (71 lb) Low Frequency Driver   :   JBL 2043-G Input Connectors   :   Neutrik® Speakon® NL-4 (x1); .25 in TS phone jack (x1); parallel