Yamaha CXS18XLF Passive Subwoofer, 18”Designed to be lightweight and portable yet rugged, the CXS18XLF passive subwoofer is a great choice for handling the low end in live performance or installed applications. With a frequency range down to 29Hz, it’ll add some punch to your sound.Yamaha CXS18XLF Includes:CXS18XLF Passive Subwoofer, 18”Yamaha CXS18XLF Features:18” woofer with 4” voice coilReproduces frequencies down to 29HzPower Handling: 1000W programMax. SPL: 133dBCardioid mode capable when used with processors or DSP equipped power ampsLightweight and durable plywood cabinetPremium black polyurea finishSpeakOn NL4MP connectors (2 parallel, 1 output)Dual-pole socketOptional cover and wheel kit available separatelyYamaha CXS18XLF Specifications:Dimensions (WxHxD): 6” x 25.9” x 28.4”Weight: 96.1 lbs.Impedance: 8 OhmsSuggested Crossover Frequency: 150Hz Yamaha CXS18XLF 18 Passive Subwoofer.