QSC KS118 18-inch 3600 Watt Active Subwoofer

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I DJ NOW - Babylon, NY store (Pick Up In Store Only)
Mon - Sat 10am - 8pm
Sun 11am - 5:00pm
631 321 1700


I DJ NOW - Queens, NY Store (Pick Up In Store Only)
Mon - Fri 10am - 9pm
Sat 10am - 7pm
Sun 12 noon - 6pm
718 762 0100

The 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 35 mm pole for easy vertical deployment with full-range loudspeakers.

QSC KS118 Active Subwoofer Features at a Glance:

  • 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, temporary weather cover, KS-LOC security cover and 35 mm loudspeaker pole accessories available.
  • 6-Year Warranty with product registration.

QSC KS118 Specifications:
Configuration: Direct Radiating
LF Transducer: 18-inch (460 mm), 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 SPL [1]: 136 dB @ 1 m (peak)
Amplifier: Class D / 3600 W (peak)
Cooling: Low-noise, variable speed fan

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

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

2 x locking XLR/F 1/4 in combo
2 x XLR/M (Loop-Thru Output)
1 x Locking IEC Power Connector

AC Power Input: Universal power supply 100 – 240 VAC, 50 – 60 Hz
AC Power Consumption: (1/8th Power) 100 VAC, 3.6 A / 120 VAC, 3.0 A / 240 VAC, 1.7 A
Enclosure: 18 mm Birch Plywood
Color: Black (RAL 9011)
Grille: 16-gauge Black Powder Coated Steel

Dimensions (HxWxD):
640 x 520 x 785 mm (incl. casters)
25.2 x 20.5 x 30.9 inches (incl. casters)

Net Weight: (including casters) 47 kg (104 lbs)
Shipping Weight: 56.5 kg (124.5 lb)
Regulatory: CE, WEEE, UL, China RoHS, RoHS II, FCC Class B
Included Accessories: 4 x Low-Noise, Heavy Duty Casters

[1] Peak SPL is measured on-axis at 1m, pink noise crest factor 10 dB, unweighted Continuous SPL is based on theoretical calculations based upon transducer sensitivity and peak available power (for comparison purpose and in accordance with common industry practice.

Each QSC KS118 Retail Box Includes:
(1) QSC KS118 18-inch 3600 Watt Active Subwoofer
(1) Locking AC Power cord
(1) QSC Limited Warranty Booklet
(1) Quick Start Guide
(1) Powered Loudspeaker Safety Sheet
(1) QSC Logo

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