{"product_id":"mission-qx-12-sub-mkii","title":"Mission QX-12SUB MKII Subwoofer","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe Mission QX-12SUB MKII is a powerful, active subwoofer designed to complement the QX MKII series loudspeakers—or serve as a bass upgrade in any 2-channel setup. With a 12-inch (300 mm) long-throw driver and a built-in 300 W amplifier (450 W peak), it delivers deep, impactful bass with clarity and control. Modern finishes like Lux Black, Lux White, or Walnut make it a stylish match for the QX MKII speakers and other premium setups.\u003c\/p\u003e\n\u003ch3\u003eKey Features (with “why it matters”)\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003e12-inch long-throw bass driver\u003c\/b\u003e\u003cbr\u003eMoves more air, enabling strong low frequency extension and powerful rumble without distortion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e300 W amplifier power (450 W peak)\u003c\/b\u003e\u003cbr\u003eProvides ample headroom for cinematic effects and impactful music playback.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFrequency response 35-120 Hz (±3 dB)\u003c\/b\u003e\u003cbr\u003eCovers the essential bass range for movies and music with tight, controlled output.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAdjustable crossover (30-150 Hz)\u003c\/b\u003e\u003cbr\u003eLets you seamlessly integrate the subwoofer with your main speakers and room acoustics.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMultiple inputs (Stereo RCA \u0026amp; LFE)\u003c\/b\u003e\u003cbr\u003eWorks easily with AV receivers, stereo amplifiers, or home theatre systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePhase inversion \u0026amp; auto on\/off\u003c\/b\u003e\u003cbr\u003ePhase switch ensures better alignment; auto power saves energy when idle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePremium cabinet finishes\u003c\/b\u003e\u003cbr\u003eLux Black, Lux White, or Walnut finishes match modern interiors and QX MKII speakers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable style=\"border-collapse: collapse; width: 100%;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"border: 1px solid black; padding: 6px;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"border: 1px solid black; padding: 6px;\"\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid black; padding: 6px;\"\u003eDrive unit\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid black; padding: 6px;\"\u003e1 × 12″ (300 mm) long-throw cone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid black; padding: 6px;\"\u003eFrequency response (±3 dB)\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid black; padding: 6px;\"\u003e35-120 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid black; padding: 6px;\"\u003eAmplifier power (RMS \/ Peak)\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid black; padding: 6px;\"\u003e300 W \/ 450 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid black; padding: 6px;\"\u003eLine input sensitivity\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid black; padding: 6px;\"\u003e200 mV for maximum output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid black; padding: 6px;\"\u003eCrossover range\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid black; padding: 6px;\"\u003e30-150 Hz (adjustable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid black; padding: 6px;\"\u003eInputs\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid black; padding: 6px;\"\u003eStereo line-in (2 × RCA), Mono LFE line-in (RCA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid black; padding: 6px;\"\u003eInput impedance\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid black; padding: 6px;\"\u003eLine: ~10 kΩ; LFE: ~5 kΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid black; padding: 6px;\"\u003eSignal-to-noise ratio\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid black; padding: 6px;\"\u003e≥ 85 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid black; padding: 6px;\"\u003eAverage max output @1 m\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid black; padding: 6px;\"\u003e118 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid black; padding: 6px;\"\u003eSpecial features\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid black; padding: 6px;\"\u003ePhase inversion, auto on\/off\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid black; padding: 6px;\"\u003eDimensions (H × W × D)\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid black; padding: 6px;\"\u003e(420 + 58) × 400 × (450 + 15) mm (with feet)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid black; padding: 6px;\"\u003eNet weight\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid black; padding: 6px;\"\u003e23 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat’s in the Box\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMission QX-12SUB MKII subwoofer\u003c\/li\u003e\n\u003cli\u003eIEC power cable\u003c\/li\u003e\n\u003cli\u003eUser manual \/ Quick start guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eRecommended Use Cases \u0026amp; Compatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePerfect bass companion for \u003cb\u003eMission QX MKII loudspeakers\u003c\/b\u003e in home theatres.\u003c\/li\u003e\n\u003cli\u003eExcellent for \u003cb\u003emovies, music, and gaming\u003c\/b\u003e where deep bass adds realism.\u003c\/li\u003e\n\u003cli\u003eIdeal for \u003cb\u003elarger rooms\u003c\/b\u003e thanks to its 12″ driver and 300 W amp power.\u003c\/li\u003e\n\u003cli\u003eFlexible with \u003cb\u003eAVRs, stereo amps, or hi-fi systems\u003c\/b\u003e via RCA or LFE input.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eImportant Notes \/ Limitations\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHeavy unit (23 kg) — requires sturdy placement.\u003c\/li\u003e\n\u003cli\u003eFrequency extension bottoms at ~35 Hz; extreme sub-bass (\u0026lt;30 Hz) may need an additional subwoofer.\u003c\/li\u003e\n\u003cli\u003eCalibration (crossover \u0026amp; phase) is key to avoiding boomy or disconnected bass.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCommon Questions (FAQ)\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003eQ1. Does it switch off automatically?\u003c\/b\u003e\u003cbr\u003eYes, auto on\/off mode saves energy by powering down when idle.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eQ2. Can I use it with non-Mission speakers?\u003c\/b\u003e\u003cbr\u003eAbsolutely — works with any AVR or stereo amp with sub\/LFE outputs.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eQ3. What finishes are available?\u003c\/b\u003e\u003cbr\u003eLux Black, Lux White, and Walnut to match interiors and QX MKII speakers.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eQ4. How loud can it get?\u003c\/b\u003e\u003cbr\u003eCapable of 118 dB at 1 m — more than enough for impactful movie bass in large rooms.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eQ5. Is setup complicated?\u003c\/b\u003e\u003cbr\u003eNo — plug it in, connect via RCA\/LFE, set crossover, adjust phase if needed, and you’re good to go.\u003c\/p\u003e\n\u003ch3\u003eWarranty \u0026amp; Support\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCovered by Mission standard warranty (region-specific).\u003c\/li\u003e\n\u003cli\u003eSupport and servicing available via authorized Mission dealers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTrust Factors \u0026amp; Extras\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePart of Mission’s QX MKII lineup, ensuring matched performance and design.\u003c\/li\u003e\n\u003cli\u003eStrong 12″ driver and 300 W amp for authoritative bass.\u003c\/li\u003e\n\u003cli\u003eFine-tuning flexibility with crossover and phase adjustments.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mission","offers":[{"title":"Default Title","offer_id":52066415476949,"sku":null,"price":65900.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/5668\/2965\/files\/QX-12SUB-MKII_Black-Oak_R1.jpg?v=1758526893","url":"https:\/\/audiovisualkart.com\/products\/mission-qx-12-sub-mkii","provider":"Audio Visual Kart","version":"1.0","type":"link"}