QSC KW181 1000w Powered Subwoofer

$2369.00 Yes, we price match!
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    Building on the success of the K Series, the KW Series represents the next evolutionary step in wood enclosure loudspeakers. QSC system engineers have created the KW Series to feature all the groundbreaking electronic attributes of the popular K Series while at the same time designing a product that is both smaller and significantly lighter than previous wood enclosure models.

    Like the K Series, each of the four KW Series models features a QSC designed, 1000 watt (2 x 500 W continuous) Class D power module. And continuing in the K Series tradition, every model is fitted with the identical high-output 1.75" HF device (full-range models) and woofers of the same high quality design, regardless of speaker size.

    Defined Coverage Area: Directivity Matched Transition (DMT™) provides for matched LF and HF coverage across the entire listening area, eliminating unnatural "dead" or "hot" frequency zones.


    • K Series performance in a lightweight, birch design
    • 1000 watt Class D power modules in all models (2 x 500 W continuous)
    • Extensive DSP featuring DEEP™ and Intrinsic Correction™ enhances system performance
    • DMT™ (Directivity Matched Transition) ensures uniform coverage across the entire sound field
    • Rugged, texture-painted birch enclosures
    • Four-position Mic/Line gain (full-range models)
    • Tour-grade 16 gauge steel grilles
    • Comfortable ergonomic handles
    • 35 mm pole sockets with Tilt-Direct™ on KW122 and KW152, standard (non-tilt) pole socket on KW153
    • M10 rigging points for suspended installation (full-range models)
    • Free 6 Year International Warranty

    Technical Specifications

    • Configuration: 18" subwoofer
    • Transducer: 18" cone transducer
    • Frequency Response (-6 dB): 38 Hz - 124 Hz
    • Frequency Range (-10 dB): 34 Hz - 143 Hz
    • Maximum SPL1: 135 dB peak


    • Power Output2: 1000 W Class D continuous, 2000 W peak
    • Input Impedance (ohms): XLR / ¼": 38k balanced / 19k unbalanced
    • Controls: Power, Gain, LF Mode (Normal/DEEP™), Polarity (Normal/Reverse), Front LED (On/Off/Limit)
    • Indicators: Power, Signal, Standby, Limit
    • Connectors: Dual balanced female XLR/¼" line level input, Dual Balanced male XLR full range line level out, Remote gain control, Locking IEC power connector
    • Cooling: On demand, 50 mm variable speed fan
    • Amplifier Protection: Thermal limiting, output overcurrent, overtemperature muting, GuardRail™
    • Transducer Protection: Thermal limiting, excursion limiting  AC Power Input: Universal power supply 100 - 240 VAC, 50 - 60 Hz
    • AC Power Consumption (1/8 Power): 100 VAC, 2.3A, 120 VAC, 2.01A, 230 VAC, 1.13A, Enclosure


    • Material: 15 mm painted birch plywood 
    • Finish: Black textured paint 
    • Grille: Black powder coated 16 gauge steel 
    • Dimensions (HxWxD): 510 mm x 595 mm x 761 mm with casters, 20.1" x 23.4" x 29.9" with casters 
    • Weight (Net): 40 kg / (88 lb)

    For more information, please visit the manufacturer's website

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