QSC Active K sub

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)


Quote: £ 40.00 + VAT

SKU: A-SS-A3 Category:

4th-order bandpass

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
Power Output2
1000 W continuous Class D (2 × 500 W)
2000 W peak
Input Impedance
XLR / ¼”: 40 kΩ balanced / 20 kΩ unbalanced
Power, Gain, LF Mode (Normal/DEEP™), Polarity (Normal/Reverse), Front LED (On/Off/Limit)
Power, Signal, Standby, Limit
Dual balanced female XLR/¼” line level input, Dual Balanced male XLR full range line level out, Remote gain control, Locking IEC power connector
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
Painted birch plywood
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

A-SS-A3.pdfA-SS-A3 2.pdf