Applications: Sized bars, luxury KTV, night club, conference hall, Mid-Small Events,Theaters etc. SW Series is a complete low-output system of RX Audio, products from the 12-inch to dual 18-inch, are taken down box design, develop low-frequency response, reducing the amplitude, to provide protection for the outstanding performance of full-range system. RX grille structure using a unique "V" groove-shaped acceleration technology, not only improves the structural strength of the box, and reduce coloration and appearance.SW Series with full-range use, in combination with amplifier or DSP, to meet the requirements of different places.Stable performance, reproduction, high efficiencyUsing high-power, long-throw, piled magnetic circuit designGood transient characteristics with low distortionBuilt-in cooling systemHigh stabilityModelSW-118BType18 Inch Passive Sub woofer SystemFrequency response35Hz－150kHz ± 3dBPower Handing800W (RMS) 1600W (PEAK)Sensitivity99dB(1W@1M)Max SPL(@1m)132dB(PEAK/1M)LF driver18"wooferNominal impedance8 ohmSpeaker cables1(+)1(-)Connector2×NL4MP SpeakonCabinetPlywoodDimensions(W x H x D)420×560×720mm(W×H×D)Net Weight41kg