QSC KLA181 Subwoofer

The image showcases the front view of the QSC KLA181 Subwoofer. The robust build and the textured finish can be observed, indicative of its durability and professional design.
This image displays the rear panel of the QSC KLA181 Subwoofer. Visible are the various input and output connections, control knobs, and switches.
The image showcases the front view of the QSC KLA181 Subwoofer. The robust build and the textured finish can be observed, indicative of its durability and professional design.
This image displays the rear panel of the QSC KLA181 Subwoofer. Visible are the various input and output connections, control knobs, and switches.

QSC KLA181 Subwoofer

$125.00

Rent a QSC KLA181 Subwoofer for your next event to experience unparalleled low-frequency performance. This powerful 18-inch subwoofer features a 1000 watt Class D amplifier, delivering a maximum SPL of 135 dB for deep, impactful bass that can fill any venue. Designed with QSC's advanced DSP for peak performance, and featuring a rugged, tour-grade enclosure, the KLA181 is perfect for live events, DJs, and outdoor festivals. Its versatile design includes a threaded pole receptacle and M10 fittings for easy integration into any setup, ensuring your event's sound is both powerful and precise.

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User manual can be found here.

  • Configuration: 18-inch subwoofer

    Low Frequency Transducer: 18-inch cone transducer

    Frequency Response (-6 dB): 38 Hz

    Frequency Range (-10 dB): 33 Hz

    Maximum SPL (1 meter): 135 dB peak

    Amplifier Power Output: 1000 W Class D continuous

    Input Impedance: XLR: 40 kΩ balanced / 20 kΩ unbalanced

    Controls: Power, Attenuation, LF Mode (Normal/DEEP™), Polarity (Normal/Reverse), Front LED (Pwr/Limit/Off)

    Indicators: Power, Signal, Standby, Limit

    Connectors: Balanced female XLR line level input, Balanced male XLR full range line level out, Remote attenuation control, Locking powerCON power connector AC In, Locking powerCON power connector AC Out

    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 to 60 Hz

    AC Power Consumption (1/8 Power): 100 VAC, 2.3 A; 120 VAC, 2.01 A; 230 VAC, 1.13 A

    Enclosure Material: Painted birch plywood

    Finish: Black or white textured paint

    Grille: Black or white powder coated 16 gauge steel

    Dimensions (HWD): inches 30 x 28 x 24; mm 760 x 710 x 610

    Net Weight: 47.2 kg / 104 lb

    Shipping Weight: 54.4 kg / 119.9 lb

Use Cases:

  • Live Concerts and Festivals: Delivers the deep, thumping bass needed to energize a large crowd.

  • DJ Sets and Dance Events: Provides the low-end foundation essential for dance music.

  • Theatrical Productions and Corporate Events: Enhances soundtracks and announcements with clear, impactful bass.

  • Outdoor Events: Robust design ensures superior performance, even in demanding outdoor environments.

  • Fixed Installations: Ideal for venues seeking a permanent solution for high-quality sound reinforcement.

 

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