KSub

Dual 12" Active Subwoofer


Features

  • Dual 12” subwoofer drivers
  • Maximum SPL 130 dB peak
  • Lightweight portable powered speaker with legendary QSC amplifier power and reliability
  • 1000-watt continuous Class D power modules in all models
  • Extensive DSP enhances system performance
  • Attractive and professional appearance
  • Comfortable ergonomic handles
  • Rugged birch plywood enclosure
  • Threaded pole socket
  • Speaker mounting pole included (35 mm diameter, 26.4 in / 67 cm long, M20 thread)
SPECIFICATIONS KSub
Configuration 4th-order bandpass
Transducers
Low-frequency

2 × 12" cone transducers
Frequency Response (-6 dB) 48 Hz - 134 Hz
Frequency Range (-10 dB) 44 Hz - 148 Hz
Maximum SPL1 130 dB peak
Amplifiers
Power Output2 1000 W continuous Class D (2 × 500 W)
2000 W peak
Input Impedance XLR / ¼": 40 kΩ balanced / 20 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" 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 of full power)
100 VAC, 2.3 A
120 VAC, 2.01 A
230 VAC, 1.13 A
Enclosure
Material Painted birch plywood
Finish Black textured paint
Dimensions (HWD) inches 26 × 14 × 28.1
(including casters)
Dimensions (HWD) mm 665 x 356 x 714
(including casters) 
Weight (Net) 74 lb / 33.6 kg
Available accessories KSub cover

1For comparison purposes and in accordance with common industry practice, maximum peak SPL specifications are theoretical calculations based upon transducer sensitivity and peak available amplifier power.
2 Independent of limiters and driver protection circuits.


All specifications are subject to change without notice.