{"product_id":"bassboss-vs21-mk3","title":"BassBoss VS21-MK3 | 21in - 138dB | Hybrid Powered Subwoofer","description":"\u003ch2\u003ePowered Subwoofer\u003c\/h2\u003e \u003cp\u003e\u003cstrong\u003eBassBoss VS21 MK3\u003c\/strong\u003e is a high-output powered subwoofer designed to deliver deep, punchy low end from a single 21\" driver. Its hybrid vented short-horn 6th-order bandpass enclosure combines extended bass response with horn-loaded impact, making it well suited for festivals, touring systems, high-intensity nightclubs, art cars, and demanding event production.\u003c\/p\u003e \u003ch2\u003eBassBoss VS21 MK3 Competitive Differences\u003c\/h2\u003e \u003cul\u003e \u003cli\u003eHybrid vented short-horn 6th-order bandpass design for both low-frequency extension and punch\u003c\/li\u003e \u003cli\u003eSingle 21\" neodymium woofer with 2500W Class-D amplification\u003c\/li\u003e \u003cli\u003e28 Hz to 100 Hz frequency response with up to 138 dB peak SPL\u003c\/li\u003e \u003cli\u003e96 kHz DSP with eight push-button presets and up to 100 storable presets via LAN control\u003c\/li\u003e \u003cli\u003eBraced Baltic birch enclosure with waterproof finish, coated woofer, and Neutrik powerCON True1 TOP connection\u003c\/li\u003e \u003c\/ul\u003e \u003ch2\u003eBassBoss VS21 MK3 Description\u003c\/h2\u003e \u003cp\u003e\u003cstrong\u003eBassBoss VS21 MK3\u003c\/strong\u003e adds serious sub-bass output to professional sound systems while maintaining the transient punch associated with horn-loaded designs. The cabinet uses a massive-displacement, long-excursion 21\" woofer that is rear-loaded into a large low-tuned acoustical volume and front-loaded onto a short horn.\u003c\/p\u003e \u003cp\u003eThis hybrid design allows the vented enclosure section to provide extended low-frequency performance while the horn section increases upper-bass sensitivity and improves transient response. The result is a subwoofer that delivers both deep, liquid lows and hard-hitting impact for live production, dance music, touring rigs, clubs, and outdoor systems.\u003c\/p\u003e \u003cp\u003eThe 2500W Class-D amplifier features an autosensing globally compatible power supply for 100 to 240 VAC operation. High peak-output voltage supports intense SPL hits, while sustained amplifier output helps maintain strong low-frequency performance during demanding program material.\u003c\/p\u003e \u003cp\u003eThe \u003cstrong\u003eBassBoss VS21 MK3\u003c\/strong\u003e includes comprehensive 96 kHz DSP with high-pass filters, low-pass filters, tuning presets, and multiple protection systems. Five levels of protection help prevent thermal overload, clipping, and excessive excursion while allowing the subwoofer to deliver peak output safely with minimal audible effect on transient response.\u003c\/p\u003e \u003cp\u003eBuilt from braced Baltic birch plywood with polyurethane and steel components, the VS21 MK3 is made for professional deployment. Waterproof mains connectors, coated woofer materials, a durable waterproof finish, eight handles, multiple pole sockets, and M10 fly points support demanding mobile, installed, and outdoor applications.\u003c\/p\u003e \u003ch3\u003eVS21 MK3 Features\u003c\/h3\u003e \u003cul\u003e \u003cli\u003ePowered single 21\" subwoofer\u003c\/li\u003e \u003cli\u003eHybrid vented short-horn 6th-order bandpass enclosure\u003c\/li\u003e \u003cli\u003e2500W Class-D amplifier\u003c\/li\u003e \u003cli\u003e21\" neodymium woofer with 4.5\" voice coil\u003c\/li\u003e \u003cli\u003e28 Hz to 100 Hz frequency response\u003c\/li\u003e \u003cli\u003e138 dB peak SPL\u003c\/li\u003e \u003cli\u003e135 dB continuous SPL\u003c\/li\u003e \u003cli\u003eIntegrated 96 kHz DSP\u003c\/li\u003e \u003cli\u003eEight push-button presets\u003c\/li\u003e \u003cli\u003eStorage capacity for up to 100 presets\u003c\/li\u003e \u003cli\u003eUser settings, venue settings, and voicing modes via optional software\u003c\/li\u003e \u003cli\u003eHigh-pass filters, low-pass filters, equalization, and limiting\u003c\/li\u003e \u003cli\u003eFive levels of protection for thermal, excursion, and clipping control\u003c\/li\u003e \u003cli\u003eDual etherCON\/RJ45 network ports for Ethernet and Milan AVB connectivity\u003c\/li\u003e \u003cli\u003eUniversal 100 to 240 VAC power input\u003c\/li\u003e \u003cli\u003eNeutrik powerCON True1 TOP power connection\u003c\/li\u003e \u003cli\u003eBraced Baltic birch plywood construction\u003c\/li\u003e \u003cli\u003eWaterproof finish with coated woofer\u003c\/li\u003e \u003cli\u003eEight integrated handles\u003c\/li\u003e \u003cli\u003eFour 35 mm pole sockets\u003c\/li\u003e \u003cli\u003eSixteen M10 fly points\u003c\/li\u003e \u003cli\u003eIncludes Neutrik powerCON True1 power cable\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eVS21 MK3 Specifications\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eSpeaker Type: Active Subwoofer\u003c\/li\u003e \u003cli\u003eEnclosure Type: Bandpass\u003c\/li\u003e \u003cli\u003eTotal Output Power: 2500W\u003c\/li\u003e \u003cli\u003eAmplifier Class: Class-D\u003c\/li\u003e \u003cli\u003eLF Driver: 1 x 21\" Woofer\u003c\/li\u003e \u003cli\u003eLF Voice Coil: 4.5\" (11.4 cm)\u003c\/li\u003e \u003cli\u003eMagnet Type: Neodymium\u003c\/li\u003e \u003cli\u003eFrequency Response: 28 Hz to 100 Hz (±3 dB)\u003c\/li\u003e \u003cli\u003eMaximum SPL: 138 dB Peak \/ 135 dB Continuous\u003c\/li\u003e \u003cli\u003eDigital Signal Processing: User Settings, Venue Settings, Voicing Modes\u003c\/li\u003e \u003cli\u003eDynamic Processing: Limiter\u003c\/li\u003e \u003cli\u003eAudio Input: 1 x XLR 3-Pin Line Input\u003c\/li\u003e \u003cli\u003eAudio Output: 1 x XLR 3-Pin Line Thru\u003c\/li\u003e \u003cli\u003eNetwork I\/O: 2 x etherCON\/RJ45 Ethernet\/Milan AVB\u003c\/li\u003e \u003cli\u003eUSB I\/O: No\u003c\/li\u003e \u003cli\u003eWireless: No\u003c\/li\u003e \u003cli\u003eMobile App Compatible: No\u003c\/li\u003e \u003cli\u003eAC Input Power: 100 to 240 VAC, 50\/60 Hz\u003c\/li\u003e \u003cli\u003eAC Power I\/O: 1 x powerCON TRUE1 Input\u003c\/li\u003e \u003cli\u003eCurrent Consumption: 4.6 A at 120 VAC \/ 2.3 A at 240 VAC\u003c\/li\u003e \u003cli\u003eColor: Black\u003c\/li\u003e \u003cli\u003eMounting: Stand Mount\u003c\/li\u003e \u003cli\u003ePole Sockets: 4 x 35 mm\u003c\/li\u003e \u003cli\u003eSuspension Points: 16 x M10 Fly Points\u003c\/li\u003e \u003cli\u003eHandles: 8\u003c\/li\u003e \u003cli\u003eConstruction Material: Plywood, Polyurethane, Steel\u003c\/li\u003e \u003cli\u003eDimensions: 36 x 36 x 24 in (91.4 x 91.4 x 61 cm)\u003c\/li\u003e \u003cli\u003eWeight: 180 lb (81.6 kg)\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eWhat's In The Box\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eBassBoss VS21 MK3 Powered Subwoofer\u003c\/li\u003e \u003cli\u003eNeutrik powerCON True1 Power Cable\u003c\/li\u003e \u003cli\u003eUser Documentation\u003c\/li\u003e \u003c\/ul\u003e","brand":"BassBoss","offers":[{"title":"Default Title","offer_id":50181763825946,"sku":"114348","price":4995.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/2714\/9082\/files\/bassboss-vs21-mk3_8f20a40c-cd82-49d2-bab5-0e346fc07a4e.webp?v=1778857354","url":"https:\/\/squarecable.com\/products\/bassboss-vs21-mk3","provider":"SquareCable","version":"1.0","type":"link"}