{"product_id":"mackie-thump18sv4-18in-132db-1400w-powered-subwoofer-with-deep-bass","title":"Mackie Thump18S v4 | 18in - 132dB | 1400W Powered Subwoofer with Deep Bass","description":"\u003ch2\u003ePowered Subwoofer\u003c\/h2\u003e\r\n\u003cp\u003e\u003cstrong\u003eMackie Thump18Sv4\u003c\/strong\u003e is a high-performance 18-inch powered subwoofer built to deliver deep, powerful bass for DJs, live sound, and event production. With 1400W Class-D amplification and extended low-frequency response down to 25 Hz, it provides the low-end impact needed for full-range sound systems in demanding environments.\u003c\/p\u003e\r\n\r\n\u003ch2\u003eMackie Thump18Sv4 Competitive Differences\u003c\/h2\u003e\r\n\u003cul\u003e\r\n  \u003cli\u003e1400W Class-D amplifier delivering up to 132 dB maximum SPL\u003c\/li\u003e\r\n  \u003cli\u003eExtended low-frequency response down to 25 Hz for maximum bass depth\u003c\/li\u003e\r\n  \u003cli\u003eSelectable high-pass modes optimized for pairing with full-range speakers\u003c\/li\u003e\r\n  \u003cli\u003eStereo XLR inputs and multiple outputs for flexible routing and system expansion\u003c\/li\u003e\r\n  \u003cli\u003eM20 threaded pole mount for secure speaker mounting\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003ch2\u003eMackie Thump18Sv4 Description\u003c\/h2\u003e\r\n\u003cp\u003eThe \u003cstrong\u003eMackie Thump18Sv4\u003c\/strong\u003e is designed for users who demand serious low-frequency performance. Its 18-inch high-output woofer and bass-reflex enclosure deliver deep, room-shaking bass that enhances music playback, live performances, and DJ sets with powerful punch and clarity.\u003c\/p\u003e\r\n\r\n\u003cp\u003eWith built-in high-pass modes, the Thump18Sv4 integrates seamlessly with a wide range of full-range speakers. Preset crossover settings are optimized for compatible speaker sizes, while a variable crossover range from 80 Hz to 160 Hz allows precise tuning for custom setups. This ensures balanced system performance and smooth frequency transitions.\u003c\/p\u003e\r\n\r\n\u003cp\u003eThe subwoofer features stereo XLR inputs along with both high-pass and full-range outputs, making it easy to connect mixers, controllers, and additional speakers or subwoofers. A mono summing option supports single or dual subwoofer configurations, and a phase invert switch allows alignment with main speakers for optimal low-end response.\u003c\/p\u003e\r\n\r\n\u003cp\u003eBuilt for portability and durability, the enclosure includes ergonomic side handles for transport and an integrated M20 threaded pole mount for mounting full-range speakers above the subwoofer. Integrated protection circuitry ensures reliable operation, even during high-output use in demanding environments.\u003c\/p\u003e\r\n\r\n\u003ch3\u003eThump18Sv4 Features\u003c\/h3\u003e\r\n\u003cul\u003e\r\n  \u003cli\u003e18-inch powered subwoofer\u003c\/li\u003e\r\n  \u003cli\u003e1400W Class-D amplification\u003c\/li\u003e\r\n  \u003cli\u003e132 dB maximum SPL\u003c\/li\u003e\r\n  \u003cli\u003e25 Hz low-frequency response (-10 dB)\u003c\/li\u003e\r\n  \u003cli\u003eSelectable high-pass modes for system optimization\u003c\/li\u003e\r\n  \u003cli\u003eVariable crossover control (80 Hz to 160 Hz)\u003c\/li\u003e\r\n  \u003cli\u003ePhase invert switch (0° \/ 180°)\u003c\/li\u003e\r\n  \u003cli\u003eStereo XLR inputs\u003c\/li\u003e\r\n  \u003cli\u003eStereo high-pass XLR outputs for speakers\u003c\/li\u003e\r\n  \u003cli\u003eStereo full-range XLR outputs for chaining subs\u003c\/li\u003e\r\n  \u003cli\u003eMono summing for single or dual subwoofer setups\u003c\/li\u003e\r\n  \u003cli\u003eFront LED on\/off control\u003c\/li\u003e\r\n  \u003cli\u003eBuilt-in limiters for system protection\u003c\/li\u003e\r\n  \u003cli\u003eIntegrated M20 threaded pole mount\u003c\/li\u003e\r\n  \u003cli\u003eErgonomic carry handles\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003ch3\u003eThump18Sv4 Specifications\u003c\/h3\u003e\r\n\u003cul\u003e\r\n  \u003cli\u003eSpeaker Type: Active subwoofer\u003c\/li\u003e\r\n  \u003cli\u003ePower Output: 1400W peak (Class-D)\u003c\/li\u003e\r\n  \u003cli\u003eMax SPL: 132 dB\u003c\/li\u003e\r\n  \u003cli\u003eFrequency Response: 25 Hz - 160 Hz (-10 dB)\u003c\/li\u003e\r\n  \u003cli\u003eFrequency Response (-3 dB): 33 Hz - 160 Hz\u003c\/li\u003e\r\n  \u003cli\u003eLF Driver: 18 in (45.7 cm)\u003c\/li\u003e\r\n  \u003cli\u003eCrossover Range: 80 Hz - 160 Hz\u003c\/li\u003e\r\n  \u003cli\u003eInputs: 2 x XLR line inputs\u003c\/li\u003e\r\n  \u003cli\u003eOutputs: 2 x XLR high-pass, 2 x XLR full-range\u003c\/li\u003e\r\n  \u003cli\u003eAmplifier Class: Class-D\u003c\/li\u003e\r\n  \u003cli\u003eProtection: Output limiter, RMS, signal limiter, thermal\u003c\/li\u003e\r\n  \u003cli\u003eMounting: M20 threaded pole socket\u003c\/li\u003e\r\n  \u003cli\u003eAC Input: 100-120V, 50\/60 Hz\u003c\/li\u003e\r\n  \u003cli\u003ePower Consumption: 400W\u003c\/li\u003e\r\n  \u003cli\u003eDimensions: 24.8 x 23.8 x 21.3 in (629.9 x 604.5 x 541 mm)\u003c\/li\u003e\r\n  \u003cli\u003eWeight: 70.4 lb (31.9 kg)\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003ch3\u003eWhat's In The Box\u003c\/h3\u003e\r\n\u003cul\u003e\r\n  \u003cli\u003eMackie Thump18Sv4 subwoofer\u003c\/li\u003e\r\n  \u003cli\u003ePower cord\u003c\/li\u003e\r\n\u003c\/ul\u003e","brand":"Mackie","offers":[{"title":"Default Title","offer_id":52146287477018,"sku":"117185","price":849.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/2714\/9082\/files\/mackie-thump18sv4--18in---132db--1400w-powered-subwoofer-with-deep-bass_160dcd6f-1342-4a32-8d05-6ef847d55845.webp?v=1777492103","url":"https:\/\/squarecable.com\/products\/mackie-thump18sv4-18in-132db-1400w-powered-subwoofer-with-deep-bass","provider":"SquareCable","version":"1.0","type":"link"}