The new DXS 18 achieves best in class SPL of up to 136dB and delivers the lowest frequency 32Hz in the lineup. Equipped with a band-pass type enclosure and high power handling 4-inch voice coil magnet that drives the 18-inch woofer, the Class-D amplifier delivers 1020W of power with exceptional clarity and accuracy.Featuring high-efficiency Class-D amplifiers and a customized woofer housed in a sturdy enclosure with a band-pass construction, DXS subwoofers are able to deliver up to 1020W of raw power with minimal distortion and superb clarity. Each of the three models that make up the series— the compact DXS12 and DXS15, as well as the new, high output DXS18—comes equipped with Yamaha state-of-the-art DSP processing, protection functions, and flexible crossover control, ensuring versatile management of your bottom end and seamless compatibility with Yamaha’s entire lineup of full-range powered speakers. DXS Series powered subwoofers offer a new level of flexibility, reliability, and power for engineers, artists and audiences that are serious about their bass.Yamaha DXS18 Features:High-Efficiency 1020W Class-D Amplifiers: The DXS’shigh performance Class-D amplifier is capable of producing up to 1020W* ofpower, realizing an SPL of 136dB, delivered with exceptional clarity andaccuracy. *DXS12 and DXS15 deliver 950W power.Custom Designed Transducer: The high-output wooferfeatures a 4" voice coil magnet and delivers powerful, well-defined,low-frequency bass with minimal distortion. *DXS12 and DXS15 feature 2.5"voice coil magnets.Band-Pass Type Enclosure: The DXS Series has aband-pass design that produces extremely high SPL by drastically reducing thedistortion.Durable Wooden Enclosures with LINE-X® Coating: Theexteriors feature a LINE-X® coating with extremely high damage resistance toprotect the cabinet from scratches and wear, maintaining a professionalappearance that can withstand many years of usage.Selectable X-OVER(80/100/120Hz): Crossover switchingallows users to seamlessly match DXS subwoofers with any of Yamaha’sfull-range powered speakers by selecting the cutoff frequency best suited tothe models in their speaker array (up to 120Hz).D-XSUB Bass Processing: Powerful D-XSUB processinggives you total control of your low frequency. NORMAL mode gives you theideally balanced low-frequency response, while BOOST mode provides a moretight and focused bass. XTENDED LF mode drops the low-end frequencies downeven further for thunderous bottom end that delivers. Take your full-rangesystem to the next level with the power and versatility of DXS Series activesubwoofers.Cardioid Mode: Because low frequencies can beomnidirectional, controlling the output directivity of a system’s bottom endcan be a challenge, with the sound pressure hitting the stage often beingequal to that of it’s intended FOH audience. For setups consisting of two ormore DXS18 subwoofers, selecting the newly developed Cardioid Mode functioneffectively decreases stage-side sound pressure while increasing thebottom-end output directed towards the audience, resulting in a clearer stagemonitoring environment and a more pronounced bass experience out front. *Onlyfor DXS18Dual pole socket: For additional flexibilityconfiguring your speakers, the DXS18 comes equipped with a dual pole socketthat accommodates 35mm diameter speaker poles and M20 screws. *Only forDXS18Yamaha DXS18 Specifications:Speaker type: 18" Powered subwoofer, Band-pass typeFrequency range (-10 dB): 32 Hz – 120 HzComponents; LF: 18" cone, Voice Coil :4 "Output power: Dynamic:1020W / Continuous: 800 WMaximum output level (1m; on axis): 136 dB SPLI/O connectors: INPUT: XLR3-31 (2) , THRU: XLR-3-32 (2) (THROUGH or HPF POST)Processors: D-XSUB: BOOST, XTD LF, NORMALCooling: Natural convectionPower requirements: 100 V – 240 V, 50 Hz / 60 HzPower consumption: 100 WPole socket: 35 mm (depth 80 mm) and M20 (threaded depth 25 mm)Dimensions:W: 563 mm (22.2 ")H: 683 mm (26.8 ")D: 721 mm (28.4 ")Net weight: 49.7 kg (110 lbs)Material: Plywood (LINE-X®, Black) Yamaha DXS18 18 Active Subwoofer, 800W.