{"product_id":"krix-seismix-3-mk8-subwoofer","title":"Krix - Seismix 3 Mk8 - Subwoofer","description":"\u003ch1\u003eKrix Seismix 3 Mk8 Active Subwoofer\u003c\/h1\u003e\n\u003ch2\u003ePowerful 11-Inch Active Subwoofer for Home Theatre \u0026amp; Hi-Fi\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eKrix Seismix 3 Mk8\u003c\/strong\u003e is a high-performance active subwoofer designed to deliver deep, controlled and room-filling bass for home theatre, music and premium entertainment systems.\u003c\/p\u003e\n\u003cp\u003eFeaturing a \u003cstrong\u003e275 mm (11-inch) long-throw woofer\u003c\/strong\u003e and a high-efficiency \u003cstrong\u003e350-watt RMS amplifier\u003c\/strong\u003e, the Seismix 3 Mk8 combines substantial low-frequency output with the precision required for both cinematic soundtracks and music.\u003c\/p\u003e\n\u003cp\u003eWith an in-room frequency response extending down to \u003cstrong\u003e22 Hz\u003c\/strong\u003e and maximum output of \u003cstrong\u003e122 dB SPL\u003c\/strong\u003e, it delivers the scale and authority required for dedicated media rooms while remaining versatile enough for larger living spaces.\u003c\/p\u003e\n\u003ch2\u003eHighlights \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e275 mm (11-inch) woofer\u003c\/strong\u003e — delivers deep, powerful low-frequency performance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e350 W RMS amplifier\u003c\/strong\u003e — provides strong, controlled power for music and movies.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e700 W maximum instantaneous power\u003c\/strong\u003e — additional headroom for demanding bass transients.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e22 Hz–200 Hz in-room response\u003c\/strong\u003e — reaches deep into the low-frequency range.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e122 dB maximum SPL\u003c\/strong\u003e — substantial output for larger rooms and serious home cinema systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBass-reflex enclosure\u003c\/strong\u003e — front-vented design supports powerful low-frequency extension.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoped paper cone\u003c\/strong\u003e — engineered for controlled and responsive bass reproduction.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e50 mm voice coil\u003c\/strong\u003e — wound on a high-powered Kapton former.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eVariable phase adjustment\u003c\/strong\u003e — continuously adjustable from 0° to 180°.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAdjustable low-pass filter\u003c\/strong\u003e — variable from 50 Hz to 200 Hz or completely bypassable.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eStereo RCA input\u003c\/strong\u003e — straightforward integration with AV receivers and stereo systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWireless receiver support\u003c\/strong\u003e — compatible with an optional wireless audio receiver.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eUSB-C power output\u003c\/strong\u003e — provides 5 V \/ 1 A for an optional wireless receiver.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAutomatic signal sensing\u003c\/strong\u003e — automatically enters standby after 15 minutes without a signal.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAustralian made\u003c\/strong\u003e — engineered and manufactured by Krix in Australia.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePowerful 11-Inch Long-Throw Woofer\u003c\/h2\u003e\n\u003cp\u003eAt the heart of the Seismix 3 Mk8 is a \u003cstrong\u003enominal 275 mm (11-inch) doped paper cone driver\u003c\/strong\u003e engineered for high-output low-frequency reproduction.\u003c\/p\u003e\n\u003cp\u003eThe driver incorporates a \u003cstrong\u003e50 mm (2-inch) voice coil\u003c\/strong\u003e wound on a high-powered Kapton former, along with a vented magnet assembly.\u003c\/p\u003e\n\u003cp\u003eThis long-throw design enables the Seismix 3 Mk8 to move substantial amounts of air while maintaining the control required for accurate bass reproduction.\u003c\/p\u003e\n\u003ch2\u003e350-Watt RMS Amplification\u003c\/h2\u003e\n\u003cp\u003eThe Seismix 3 Mk8 is driven by a high-efficiency amplifier delivering \u003cstrong\u003e350 watts RMS\u003c\/strong\u003e, with \u003cstrong\u003e700 watts maximum instantaneous power\u003c\/strong\u003e available for demanding transient peaks.\u003c\/p\u003e\n\u003cp\u003eThis combination gives the subwoofer the headroom required for explosive movie effects while maintaining definition and control during music playback.\u003c\/p\u003e\n\u003ch2\u003eDeep Bass Down to 22 Hz\u003c\/h2\u003e\n\u003cp\u003eWith an in-room frequency response of \u003cstrong\u003e22 Hz–200 Hz\u003c\/strong\u003e, the Krix Seismix 3 Mk8 reaches deep into the low-frequency spectrum.\u003c\/p\u003e\n\u003cp\u003eFor home cinema, this means greater impact from explosions, effects and soundtrack bass. For music, it adds weight and extension to bass instruments, drums and low-frequency ambience without overwhelming the rest of the system.\u003c\/p\u003e\n\u003ch2\u003e122 dB Maximum Output\u003c\/h2\u003e\n\u003cp\u003eThe Seismix 3 Mk8 is capable of reaching \u003cstrong\u003e122 dB maximum SPL in-room\u003c\/strong\u003e, providing considerably greater output capability than smaller compact subwoofers.\u003c\/p\u003e\n\u003cp\u003eThis makes it particularly well suited to:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eDedicated home theatres\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLarger living rooms\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMedia rooms\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHigh-performance stereo systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGaming and entertainment systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIts combination of deep extension and high output allows it to deliver both physical impact and controlled low-frequency reproduction.\u003c\/p\u003e\n\u003ch2\u003eFront-Vented Bass-Reflex Enclosure\u003c\/h2\u003e\n\u003cp\u003eThe Seismix 3 Mk8 uses a \u003cstrong\u003efront-vented bass-reflex enclosure\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe front-firing vent helps extend low-frequency output while providing practical placement flexibility within a room.\u003c\/p\u003e\n\u003cp\u003eThis design makes the Seismix 3 Mk8 suitable for installations where rear-port clearance may be limited, while still providing substantial bass output.\u003c\/p\u003e\n\u003ch2\u003eAdjustable Phase Control\u003c\/h2\u003e\n\u003cp\u003eA continuously variable \u003cstrong\u003e0°–180° phase control\u003c\/strong\u003e allows the subwoofer's acoustic output to be better aligned with the main speakers.\u003c\/p\u003e\n\u003cp\u003eCorrect phase adjustment can improve the transition between the subwoofer and speakers, helping create smoother, more cohesive bass throughout the listening area.\u003c\/p\u003e\n\u003ch2\u003eAdjustable 50 Hz–200 Hz Low-Pass Filter\u003c\/h2\u003e\n\u003cp\u003eThe integrated low-pass filter is continuously adjustable from \u003cstrong\u003e50 Hz to 200 Hz\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eIt can also be bypassed when bass management and crossover settings are controlled by an AV receiver, processor or another external component.\u003c\/p\u003e\n\u003cp\u003eThis flexibility makes the Seismix 3 Mk8 equally suitable for home cinema and stereo Hi-Fi systems.\u003c\/p\u003e\n\u003ch2\u003eAutomatic Signal-Sensing Power\u003c\/h2\u003e\n\u003cp\u003eThe Seismix 3 Mk8 incorporates \u003cstrong\u003esignal-sensing automatic power control\u003c\/strong\u003e for convenient everyday use.\u003c\/p\u003e\n\u003cp\u003eWhen an incoming signal is detected, the subwoofer activates automatically. If no input signal is detected for approximately \u003cstrong\u003e15 minutes\u003c\/strong\u003e, it switches to standby.\u003c\/p\u003e\n\u003ch2\u003eOptional Wireless Connectivity\u003c\/h2\u003e\n\u003cp\u003eAlongside its stereo line-level RCA connection, the Seismix 3 Mk8 supports an \u003cstrong\u003eoptional wireless audio receiver\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eA dedicated \u003cstrong\u003eUSB-C 5 V \/ 1 A output\u003c\/strong\u003e can provide power for the optional receiver, allowing greater installation flexibility where running a long RCA cable is difficult or undesirable.\u003c\/p\u003e\n\u003ch2\u003ePremium Finish Options\u003c\/h2\u003e\n\u003cp\u003eThe Krix Seismix 3 Mk8 is available in a selection of finishes designed to complement both contemporary and traditional entertainment spaces.\u003c\/p\u003e\n\u003cp\u003eAvailable finishes include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eBlack Woodgrain\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBlackwood\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAtlantic Jarrah\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWalnut\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eAustralian Designed \u0026amp; Manufactured\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eKrix Seismix 3 Mk8\u003c\/strong\u003e is engineered and manufactured in Australia.\u003c\/p\u003e\n\u003cp\u003eKrix has been producing loudspeakers in Australia since 1974, with the Seismix range bringing the company's loudspeaker and cinema expertise into dedicated active subwoofers for home entertainment systems.\u003c\/p\u003e\n\u003ch2\u003eWhy Choose the Krix Seismix 3 Mk8?\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eKrix Seismix 3 Mk8 Active Subwoofer\u003c\/strong\u003e is an excellent choice for listeners wanting greater bass extension and output than a compact subwoofer can provide without moving to a much larger dedicated cinema model.\u003c\/p\u003e\n\u003cp\u003eIts combination of an 11-inch long-throw woofer, 350 W RMS amplification, 22 Hz extension, 122 dB maximum output and flexible crossover and phase controls makes it suitable for both serious home theatre and high-performance music systems.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch1\u003eSpecifications\u003c\/h1\u003e\n\u003ch2\u003ePerformance\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eActive Subwoofer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Range\u003c\/td\u003e\n\u003ctd\u003e22 Hz–200 Hz in-room response\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmplifier Power\u003c\/td\u003e\n\u003ctd\u003e350 W RMS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Instantaneous Power\u003c\/td\u003e\n\u003ctd\u003e700 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Output\u003c\/td\u003e\n\u003ctd\u003e122 dB maximum SPL, in-room response\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eLow-Frequency Driver\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eDriver Diameter\u003c\/td\u003e\n\u003ctd\u003eNominal 275 mm \/ 11 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCone\u003c\/td\u003e\n\u003ctd\u003eDoped paper cone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoice Coil\u003c\/td\u003e\n\u003ctd\u003e50 mm \/ 2 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoice Coil Former\u003c\/td\u003e\n\u003ctd\u003eHigh-powered Kapton former\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnet Assembly\u003c\/td\u003e\n\u003ctd\u003eVented\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDriver Design\u003c\/td\u003e\n\u003ctd\u003eLong Throw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eEnclosure\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003eBass Reflex\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVent Configuration\u003c\/td\u003e\n\u003ctd\u003eFront Vented\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eInputs \u0026amp; Controls\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eInputs\u003c\/td\u003e\n\u003ctd\u003eStereo line-level RCA \/ Wireless audio receiver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSB-C\u003c\/td\u003e\n\u003ctd\u003e5 V \/ 1 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSB-C Purpose\u003c\/td\u003e\n\u003ctd\u003ePower for optional wireless receiver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhase Adjustment\u003c\/td\u003e\n\u003ctd\u003e0°–180° continuously variable, relative to input signal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLow-Pass Filter\u003c\/td\u003e\n\u003ctd\u003e50 Hz–200 Hz or bypass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower On \/ Off\u003c\/td\u003e\n\u003ctd\u003eSignal Sensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAutomatic Standby\u003c\/td\u003e\n\u003ctd\u003e15-minute delay after no input signal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eDimensions \u0026amp; Weight\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight\u003c\/td\u003e\n\u003ctd\u003e450 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWidth\u003c\/td\u003e\n\u003ctd\u003e360 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDepth\u003c\/td\u003e\n\u003ctd\u003e410 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions – H × W × D\u003c\/td\u003e\n\u003ctd\u003e450 × 360 × 410 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e18 kg each\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eFinishes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eBlack Woodgrain\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBlackwood\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAtlantic Jarrah\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWalnut\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Krix","offers":[{"title":"Black Woodgrain","offer_id":48177848942849,"sku":"CMP S3.XX 08","price":1445.0,"currency_code":"AUD","in_stock":true},{"title":"Atlantic Jarrah","offer_id":48177848975617,"sku":"CMP S3.XX 08","price":1795.0,"currency_code":"AUD","in_stock":true},{"title":"Walnut","offer_id":50173443178753,"sku":null,"price":1795.0,"currency_code":"AUD","in_stock":true},{"title":"Blackwood","offer_id":50173443211521,"sku":null,"price":1795.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1133\/9398\/files\/6a4dced4d52a70c94a6016ce_Seismix3_Walnut_NoGrille_Angle_jpg.png?v=1786443629","url":"https:\/\/sydneyhifimonavale.com.au\/products\/krix-seismix-3-mk8-subwoofer","provider":"Sydney Hi-Fi Mona Vale","version":"1.0","type":"link"}