Unleash the power of deep, resonant bass with the QSC KS118 3600-Watt 18" Active Subwoofer. Perfect for live sound professionals, DJs, and event producers, this subwoofer combines a 3600W Class-D amplifier with an 18-inch direct-radiating driver to deliver earth-shaking sound. Experience tight, controlled low frequencies down to 35Hz, making it ideal for bass-heavy genres and dynamic performances. The KS118's onboard DSP offers advanced system optimization, ensuring consistent performance in any venue, while its DEEP mode brings an extra layer of intensity to your bass.

Designed for versatility, the KS118 supports both omnidirectional and cardioid radiation modes, the latter requiring at least two units for maximum effectiveness. This feature allows you to project bass forward while minimizing unwanted energy behind the system. Built with portability in mind, the subwoofer features ergonomic handles and low-noise casters, making transport a breeze. Its rugged birch cabinet and steel grille ensure durability, whether you're on tour or at a permanent installation.

The KS118 is more than just a subwoofer; it's a cornerstone of any high-powered sound system. With its M20 threaded pole socket, it easily integrates with full-range speakers, adapting to the unique demands of your performance space. Whether you're mixing for a live band, enhancing a DJ set, or managing sound at a large event, the KS118 provides the power and flexibility you need.

Key Features:

• 3600W Class-D amplifier for high sound pressure levels
• 18" direct-radiating driver for deep bass down to 35Hz
• Onboard DSP for advanced system optimization and protection
• DEEP mode for extended low-frequency range
• Omnidirectional and cardioid radiation modes (cardioid setup requires 2 units)
• Adjustable crossover and delay settings
• Rugged birch cabinet with steel grille for durability
• Ergonomic handles and low-noise casters for easy transport
• M20 threaded pole socket for vertical deployment with full-range speakers

Product specs

FAQs

What kind of power does the QSC KS118 subwoofer deliver?

The QSC KS118 delivers 3,600 watts of Class D power, providing substantial low-end output suitable for various venues.

How does the DEEP mode on the QSC KS118 enhance its performance?

The DEEP mode on the QSC KS118 intensifies the low-frequency response, offering chest-pounding bass that enhances the overall audio experience.

Can the QSC KS118 be used in a cardioid configuration?

Yes, the QSC KS118 can be set up in a cardioid configuration to reduce rear energy and improve front projection, ideal for controlling bass dispersion in live sound setups.

What are the input and output options available on the QSC KS118?

The QSC KS118 features 2 x XLR-1/4" combo inputs and 2 x XLR outputs, providing versatile connectivity for integrating with various audio systems.

Is the QSC KS118 subwoofer portable for live performances?

Although it weighs 104 lbs, the QSC KS118 is designed for portability with ergonomic handles and casters, making it easier to transport and set up for live performances.