The HS 2200 is an array subwoofer system that incorporates a 18” woofer, 4.0” voice coil . The system is very compact and provides very high output and accurate voice and sound reproduction. The system is equipped with the latest generation of RCF precision transducers. Connections to the amplifier are made through a watertight Amphenol multi-pole connector. The grille is in custom perforated steel, epoxy coated, with open-cell fibres and water repellent woven fabric backing. The cabinet is constructed of multi-ply Baltic birch marine plywood and finished in a very resistant, textured, polyurea black paint.FeaturesArray subwoofer18" RCF Precision woofers with 4" voice coil136 dB Max SPLSystem Power rating 900 Watt RMSSafe and solid variable array mechanicsBaltic Birch Plywood enclosure with internal structural metal bracingsAcoustical SpecificationsFrequency Response -10 dB: 30 Hz ÷ 200 HzMax SPL @ 1m: 136 dBSystem Sensitivity: 100 dB dBNominal Impedance: 8 Power Handling: 900 WPeak Power Handling: 3600 WRecommended Amplifier: 1800 W TransducersWoofer: 18", 4" voice coilNominal Impedance: 8 Input Power Rating: 900 W AESSensitivity: 100 dB Input SectionInput connector: Amphenol eco/mat IP 67 CabinetCabinet Material: Trapezoidal, 15 mm birch plywood constructionHardware: Side and rear array rigging pointGrille: Custom perforated steel grilleColour: Polyurea Black, weather and scratch resistant paint Physical SpecificationsHeight: 530 / 20.87 mm/inchWidth: 771 / 30.35 mm/inchDepth: 635 / 25.0 mm/inchNet Weight: 50.8 / 111.99 kg/lbs.