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QSC KS118 18-Inch 3600-Watt Active Subwoofer

Original price was: ₹260,000.00.Current price is: ₹135,000.00.

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The QSC KS118 18-Inch 3600-Watt Active Subwoofer. The QSC KS118 is a very high output active subwoofer producing impressive low frequencies for mobile entertainment, AV production, clubs and performance venues. Featuring an 18-inch direct radiating driver powered by a 3600 Watt Class D amplifier, the KS118 delivers high sound pressure levels with dynamic and musical sound reproduction of very low frequencies. On-board DSP optimizes and protects system performance as well as offers advanced capabilities such as the ability to array two units in a cardioid arrangement. Highly transportable, the rugged enclosure features comfortable handles and four low noise casters. An M20 threaded pole receptacle accepts a 35mm pole for easy vertical deployment with full-range loudspeakers.

QSC KS118 Freatures:

  • Very high output with impressive low frequency performance
  • 3600 Watt Class D amplifier module
  • 18 inch (460 mm) long excursion direct radiating driver
  • Omni-directional or cardioid radiation modes (cardioid setup requires min. 2 units)
  • Selectable DEEP™ mode for extremely low frequency extension
  • Adjustable crossover and delay
  • Scenes for commonly-used applications that can be saved/recalled
  • Refined, professional and elegant appearance in any application
  • Rugged painted wood enclosure for lasting durability
  • Vertical or horizontal deployment (M20 threaded pole receiver for vertical setup)
  • Four low-noise, heavy-duty casters
  • Optional transport cover, KS-LOC security cover and 35 mm loudspeaker pole accessories available
  • 6-Year* Warranty with product registration


Direct Radiating

LF Transducer

460 mm (18 in), Cone

Frequency Response (-6 dB)

41 Hz – 98 Hz

Frequency Range (-10 dB)

35 Hz – 111 Hz

Nominal Coverage Angle

Omni-directional or cardioid radiation modes (cardioid setup requires min. 2 units)

Maximum Rated SPL1

136 dB @ 1 m (peak)


Class D 3600W (peak)


Low-noise, variable speed fan


Power On/Off Gain Control Rotary encoder 2 × selection buttons


2 × Power LED (front and rear) Input Signal LED Limiter active LED


2 × locking XLR/F ¼ inch combo 2 × XLR/M (Loop-thru Output) 1 × locking IEC power connector

AC Power Input

Universal power supply 100 – 240 VAC, 50 – 60 Hz

AC Power Consumption (⅛ power)

100 VAC, 3.6 A / 120 VAC, 3.0 A / 240 VAC, 1.7 A

Enclosure Details


18 mm birch plywood


Black (RAL 9011)


16-gauge Black Powder Coated Steel

Speaker Dimensions (H×W×D)

640 × 520 × 785 mm 25.2 × 20.5 × 30.9 in

Carton Dimensions (H×W×D)

572 × 743 × 896 mm 22.5 × 29.3 × 35.3 in

Net Weight

47 kg / 104 lb (including casters)

Shipping Weight

56.5 kg / 124.6 lb


CE, WEEE, UL, China RoHS, RoHS II, FCC Class B

Included Accessories

4 × Low-Noise, Heavy Duty Casters

Optional Accessories

KS118-CVR Transport Cover, KS-LOC Lock-Out Cover SP-26 and SP-36 Loudspeaker Poles, SP-16X Extension Pole

Additional information



Manufactured in


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