QSC KW181 Active Sub

Description

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

• Directivity Matched Transition™ (DMT)

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™

(KW122, KW152)

• M10 rigging points for suspended

installation (full-range models)

• KW122 also functions as stage monitor

Configuration  

18-inch subwoofer

Transducer        

18-inch cone transducer

Frequency Response (-6 dB)    

40 Hz to 112 Hz

Frequency Range (-10 dB)         

37 Hz to 129 Hz

Maximum SPL1               

135 dB peak

Amplifiers

Power Output2               

1000 W Class D continuous

2000 W peak

Input Impedance           

XLR / ¼⁻ᶦⁿᶜʰ: 38 kΩ balanced / 19 kΩ 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⁻ᶦⁿᶜʰ 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 to 60 Hz

AC Power Consumption(1/8 Power)    

100 VAC, 2.3 A

120 VAC, 2.01 A

230 VAC, 1.13 A