QSC KS118 Direct Radiating 18-Inch Subwoofer - Long & McQuade Music Educator Site
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QSC KS118 Direct Radiating 18-Inch Subwoofer

Departments > Pro Audio & Recording > Subwoofers > Powered Subwoofers > QSC > KS118 Direct Radiating 18-Inch Subwoofer
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SKU: # 721701
Model: #



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.

• 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

Configuration: 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)
Amplifier: Class D, 3600W (peak)
Cooling: Low-noise, variable speed fan
Controls: 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 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 (1/8 power): 100 VAC, 3.6 A / 120 VAC, 3.0 A / 240 VAC, 1.7 A
Enclosure: 15 mm birch plywood
Color: Black (RAL 9011)
Grille: 16-gauge Black Powder Coated Steel
Speaker Dimensions (HWD): 640 520 785 mm
Net Weight: 47 kg / 104 lb (including casters)
Included Accessories: 4 Low-Noise, Heavy Duty Casters
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