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QSC KW181 18" Powered Subwoofer

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Product Details

QSC KW181 Powered Sub Woofer 18" 1000w

An 18" sub with 1000 Class D continuous output, and extended bass in a lighter birch enclosure.
Building on the success of QSC's K Series, the KW181 subwoofer, like the rest of QSC's KW active loudspeakers, represents QSC's next evolutionary step in wood enclosure loudspeakers. The system engineers 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.

 

High Output

Like it K series predecessors, the QSC KW181 speaker features a QSC designed, 1000W (2 x 500) Class D power module. The loudspeaker is also fitted with an 18" cone transducer of the same high-quality design.

 

DSP

Extensive signal processing is employed throughout the QSC loudspeaker, providing levels of sonic clarity and total output that defy all expectations for a speaker in this category:
•Intrinsic Correction: first featured in QSC's high-end line array products, it maps 65-75 spatially-averaged measurements to IIR and FIR filters that actively adjust time, frequency, and amplitude response to a maximally flat bandpass target. The result is an active speaker that behaves equally well across the entire sound field
•DEEP and excursion limiting allow for extended low-frequency response by actively managing low-frequency transients without degradation of the underlying signal or adjacent frequencies
•GuardRail protection, first introduced on QSC's GX Series amplifiers protects both the amplifier module and your performance from unnatural and destructive clipping

 

Connectivity:

The QSC KW181 subwoofer speaker features dual balanced female XLR / 1/4" line level?input, dual balanced male XLR full-range line leave out, remote gain control via a potentiometer (sold separately), and a locking IEC power connector.

 

Control:

The QSC KW181 speaker has an LF switch which can be set to NORM, DEEP for additional bass extension. The rear panel LED switch can be set to POWER, illuminating the front-mounted LED when the QSC speaker is powered on, OFF for applications where it is not desirable to illuminate the front LED, or LIMIT which indicates to the system operator that the clip limiter circuit has been engaged during operation.

 

Premium-grade materials:

The QSC KW181 subwoofer, like all its KW Series brethren, is designed to withstand the rigors of professional use. Advanced construction processes, premium-grade Baltic birch cabinetry, ergonomic, cast aluminum handles, low-noise casters, and a highly protective steel grille provide for ease of transport and long-term durability. The QSC loudspeaker's integrated M10 suspension points allow for flown applications and a threaded pole receptacle provides for a positive, wobble-free connection to a threaded speaker pole (included).

 

Features

K Series performance in a more lightweight design
1000-Watt Class D power module (2 x 500W)
Extensive DSP featuring DEEP and Intrinsic Correction enhances system performance
Rugged, texture-painted birch speaker enclosure
4-position Mic/Line gain
Tour-grade, 16-gauge steel grilles
Comfortable ergonomic handles
35mm pole sockets with Tilt-Direct
M10 rigging points for suspended installation

 

Specifications:

Configuration: 18" subwoofer
Transducer: 18" cone transducer
Frequency response: (-6dB) 43Hz - 97kHz
Frequency range: (-10dB) 39Hz - 145Hz
Maximum SPL: (1 meter) 132dB peak

 

Amplifiers

Power output: 1000W Class D continuous
Input impedance (ohms):XLR/1/4": 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/1/4" 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 - 240VAC, 50 - 60Hz
AC power consumption (1/8 Power): 100 VAC, 2.3 A, 120 VAC, 2.01 A, 230 VAC, 1.13 A

 

Speaker Enclosure:

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

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