QSC KS118 Subwoofer

The QSC KS118 is a powered 18-inch subwoofer designed for high-output bass reinforcement in live sound, DJ setups, and professional audio applications. It features 3600W Class D amplification and advanced DSP control, delivering deep, powerful low-end performance.

Key Specifications

• Driver: 18-inch long-excursion direct radiating woofer

• Amplification: 3600W Class D power module

• Max SPL: 136 dB

• Frequency Response: 41Hz – 98Hz (-6 dB)

• DSP Features: Selectable DEEP™ mode for extended low-frequency response, adjustable crossover, delay, and cardioid mode (requires two units)

• Inputs: (2) XLR/TRS combo jacks

• Outputs: (2) XLR loop-thru outputs

• Enclosure: 15mm birch plywood with rugged black finish

• Mounting: M20 threaded pole socket for vertical deployment

• Weight: 104 lbs (47 kg)

• Dimensions: 25.2" x 20.5" x 30.9"

This subwoofer delivers tight, punchy bass with low distortion, making it ideal for mobile DJs, rental systems, and permanent installations.