{"product_id":"lase-amplifier-for-qsc-kw181-kla181-k-sub-module-1000w-replacement","title":"LASE Amplifier for QSC KW181 KLA181 K-Sub Module - 1000W Replacement","description":"\u003cp\u003eIn this review of the LASE Amplifier intended for QSC KW181, KLA181 and K-Sub module powered speakers, the bottom line is simple: this is a focused, plug-in replacement module for technicians and venues needing a compact, high-power subwoofer amplifier. It delivers a claimed \u003cstrong\u003e1000 Watt RMS\u003c\/strong\u003e Class D output in a compact chassis, includes a locking IEC power input and remote gain capability, and retains the control layout familiar to QSC users. For anyone servicing or retrofitting K Series subs, the LASE module is an efficient way to restore or upgrade power without modifying the speaker cabinet.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1000W RMS Class D:\u003c\/strong\u003e Provides high output headroom to reach a measured \u003cstrong\u003e135 dB SPL\u003c\/strong\u003e peak level for subwoofer duties in live sound environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControls and Indicators:\u003c\/strong\u003e Front-panel Power, Gain and Polarity switching plus LEDs for On\/Off\/Limit give clear, serviceable control and status feedback.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling On Demand:\u003c\/strong\u003e A 50mm variable-speed fan reduces noise and runs only as needed to manage thermal limiting for longer duty cycles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Systems:\u003c\/strong\u003e Built-in amplifier and transducer protection such as thermal limiting and output over current help protect both the module and the driver.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBalanced I\/O and Remote Gain:\u003c\/strong\u003e Female XLR input, male XLR line out and a locking IEC with remote gain control make it easy to integrate into pro PA rigs.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThe LASE amplifier module is best for live sound technicians, rental companies and gigging musicians who already own QSC KW181, KLA181 or K-Sub cabinets and need a direct, like-for-like replacement that preserves the original control layout and connectivity. It is particularly useful where space is limited and where a compact, lightweight module (about \u003cstrong\u003e6.3 lbs\u003c\/strong\u003e) is preferred for serviceability.\u003c\/p\u003e\u003cp\u003eThose seeking a radical performance upgrade or a multi-channel amplifier with DSP tuning should look elsewhere, since this unit focuses on matching the original module function and providing robust single-channel subwoofer power rather than extensive processing features.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHigh continuous power with a claimed \u003cstrong\u003e1000 Watt\u003c\/strong\u003e output suitable for serious subwoofer levels.\u003c\/li\u003e\n\u003cli\u003ePractical protection and cooling design with thermal limiting and a demand-driven 50mm fan for reliability.\u003c\/li\u003e\n\u003cli\u003ePro-friendly I\/O including balanced XLR in\/out and locking IEC with remote gain control for easy integration.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDoes not include advanced DSP or EQ features, so tuning must be handled externally or via the host cabinet.\u003c\/li\u003e\n\u003cli\u003eSpecification listing is compact; installers may want fuller published test data for detailed system matching.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Output Power\u003c\/td\u003e\n\u003ctd\u003e1000 Watt (RMS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClass\u003c\/td\u003e\n\u003ctd\u003eClass D (Class TD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Response\u003c\/td\u003e\n\u003ctd\u003e34 Hz - 143 Hz (+0\/-0.3 dB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Level (SPL)\u003c\/td\u003e\n\u003ctd\u003e135 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInputs \/ Outputs\u003c\/td\u003e\n\u003ctd\u003eBalanced female XLR input, balanced male XLR line out\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling\u003c\/td\u003e\n\u003ctd\u003e50mm variable speed fan (on demand)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (L x W x D)\u003c\/td\u003e\n\u003ctd\u003e14 in x 7.5 in x 4.5 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe LASE amplifier module is a practical, cost-effective replacement for QSC K Series sub modules, delivering the necessary \u003cstrong\u003e1000 Watt\u003c\/strong\u003e power, balanced I\/O and protective features to keep a subwoofer operating reliably. It is good value for installers and rental houses who need a straightforward swap-in module without added DSP frills, and it restores full functionality with minimal cabinet work.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eIs this module drop-in compatible with QSC KLA181 and KW181?\u003c\/strong\u003e\u003cbr\u003eYes; it is designed as a compatible replacement module with matching control layout and connections for those cabinets.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat power voltages does it support?\u003c\/strong\u003e\u003cbr\u003eThe module supports selectable nominal voltages for 220 V \/ 110 V operation (190-240 V \/ 90-130 V selectable).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it include protection for the transducer?\u003c\/strong\u003e\u003cbr\u003eYes; the unit includes transducer protection such as thermal limiting and excursion limiting as well as amplifier thermal and over-current protections.\u003c\/p\u003e","brand":"LASE","offers":[{"title":"Default Title","offer_id":48206050656475,"sku":"B0BQNRPG53","price":349.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61PMDPHZmOL._SL1139.jpg?v=1770220749","url":"https:\/\/gearmusthave.com\/products\/lase-amplifier-for-qsc-kw181-kla181-k-sub-module-1000w-replacement","provider":"GearMustHave","version":"1.0","type":"link"}