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QSC KS118 18-inch 3600 Watt Active Subwoofer - Used

Expected July 31, 2025
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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.
- **Minor damage to front top and bottom but has been tested to be in working condition.**
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
Controls:
Power On/Off
Gain Control
Rotary encoder
2 x selection buttons
Indicators:
2 x Power LED (front and rear)
Input Signal LED
Limiter active LED
Connectors:
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.
(1) QSC KS118 18-inch 3600 Watt Active Subwoofer
(1) Locking AC Power cord
*Please note: Customer return/Store display items are not brand new and may have minor imperfections. Due to the nature of a "Customer return item" we cannot guarantee that all box components listed, will be included. Because of this, the item is discounted accordingly and sold at close to cost or below. IDJNOW does guarantee that you will receive all pertinent components for the item to function in Its most basic form (usually just a power cord) and guarantees the item to be free from defect for 30 days from the day you receive it.