As one of the well-known SW dual 18inch SUB woofer speaker manufacturers and suppliers in China, it is waiting for you to buy our low price SW dual 18inch SUB woofer speaker and check the quotation with our factory.Applications: Sized bars, luxury KTV, night club, conference hall, Mid-Small Events,Theaters etc.  SW Series is a complete low-output system of Coolbon 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. Coolbon 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-218BTypeDual18 Inch Passive Sub woofer SystemFrequency response30Hz-150kHz ± 3dBPower Handing1600W (RMS) 3200W (PEAK)Sensitivity99dB(1W@1M)Max SPL(@1m)138dB(PEAK/1M)LF driver2 x 18"wooferNominal impedance8 ohmSpeaker cables1(+)1(-)Connector2×NL4MP SpeakonCabinetPlywoodDimensions(W x H x D)1020×520×825mm(W×H×D)Net Weight70kg