QSC KW181
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Core Specs & Performance Highlights
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● Driver&Power:18′′conetransducerwith1,000 WClassD continuous (approx. 2 000 W peak) amp module
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● FrequencyRange:
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○ –6 dB:~38 Hz–124 Hz
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○ –10 dB:~34 Hz–143 Hz
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● MaximumSPL:~132–135 dBpeak@1 m,dependingonspeclisting
DSP & Protection Features
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● IntrinsicCorrectionTM:Appliestime,amplitude,andfrequency
correction using FIR/IIR filters for a flat, consistent response across listening area
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● DEEPTMMode&ExcursionLimiting:Enhanceslow-frequency extension while protecting the driver under heavy transient loads
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● GuardRailTMProtection:Preventsamplifierclippingandoverheating via active limiting
Inputs, Controls & Thermal
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● Connectivity:DualcomboinputsarebalancedXLR/1⁄4′′,plusdualXLR
outputs for thru or full-range routing; remote gain control connector also included
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● FrontPanelControls&Indicators:IncludesPower,Gain,Low-Freq Mode switch (Normal/DEEP), Polarity, and LED indicators for Signal, Standby, Limit
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● Cooling:Variable-speed50 mmfan—onlyactivewhenneeded— minimizes noise and heat buildup
Frequently praised as a reliable workhorse with excellent output and portability:
“A great compromise—output, size, weight... virtually indestructible”Ideal use DJs, bands, , rehearsal spaces, mobile sound systems