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Description The dB Technologies IS115S is a high-performance passive subwoofer designed to extend the low-frequency response of the IS Series full-range loudspeakers. It delivers professional-grade bass reinforcement in a compact, durable form, making it an ideal solution for permanent installations in medium to large environments such as performing arts centers, clubs, multipurpose venues, arenas, and houses of worship.The IS115S features a powerful 15” woofer with a 4” voice coil, housed in a bass-reflex plywood enclosure for tight, extended low-end performance. With an RMS power handling of 800W and peak power of 3200W, the IS115S offers a maximum SPL of 133 dB, ensuring thunderous and controlled bass reproduction in any setting.This subwoofer is engineered for both indoor and outdoor use, thanks to its IP55 weather-resistant rating and water-based coating that protects the wooden housing from the elements. A screw terminal connection block provides a secure and installation-friendly audio interface, while integrated rigging points allow for suspended mounting using optional accessories, giving installers maximum flexibility during setup.The IS115S is available in both black and white finishes, and the white version can be custom-painted to suit aesthetic requirements. It seamlessly complements IS Series tops such as the IS210L and IS210T, offering balanced and full-range audio reproduction when paired together.Whether you’re enhancing speech intelligibility, musical performances, or playback systems in fixed installations, the IS115S is the perfect low-frequency extension for robust, scalable, and aesthetically clean sound system designs.Features:Passive 15” bass-reflex subwoofer800W RMS / 3200W peak powerMax SPL: 133 dBExtends low-end response for IS Series topsIP55-rated enclosure for indoor/outdoor useRugged plywood housing with water-based coatingCompact design for discreet installationAvailable in black and paintable white finishesScrew terminal input block for secure wiringCompatible with flyable accessories for suspended mountingSpecifications:CategorySpecificationSpeaker TypePassive Bass-reflex SubwooferRMS Power800 WPeak Power3200 WUsable Bandwidth [-10 dB]38 Hz – XoverFrequency Response [-6 dB]42 Hz – XoverImpedance8 OhmMax SPL133 dBLF Driver1x 15″, 4″ voice coilInput ConnectionsScrew terminal block ( / –)HousingPlywood with water-based coatingRigging PointsScrew connection (compatible with fly accessories)IP RatingIP55Dimensions (WxHxD)650 x 420 x 550 mm (25.59 x 16.54 x 21.65 in)Weight27.8 kg (61 lbs)