QSC KS118 3600 Watt 18" Powered Subwoofer

The QSC KS118 is a 18″ high-powered subwoofer, delivering 3,600 W of clean low-end output with flexible DSP control. It features onboard DEEP and cardioid modes, delay settings, and scene presets via intuitive controls. Rugged wheels, casing, and a six-year warranty make it a mobile DJ’s best friend.

 

Main Features

 

• • 18″ direct-radiating woofer with 460 mm excursion for deep, musical low frequencies
• • Massive 3,600 W Class‑D amplifier with onboard DSP—crossover, DEEP extension, cardioid mode
• • Reach down to 35 Hz cleanly, with peak SPL up to 136 dB
• • Rear-panel rotary encoder and display for scenes, delay, settings recall
• • Dual XLR/¼″ combo inputs and XLR loop-thru outputs for easy integration
• • Stackable or mountable upright via M20 pole socket; rotates horizontally too

 

The KS118's long-excursion driver delivers tight, authoritative bass from 35 Hz up—ideal for dance, live sound, or outdoor events. DEEP mode adds extended low-frequency reach while DSP and cardioid settings help control your setup’s bass footprint. The intuitive DSP interface lets you dial in crossover, phase, and delay on-site, no external gear needed.

 

Versatile mounting options—pole upright, horizontal stack, or ground use—let the KS118 adapt to any rig. Tough build and quiet casters make load-in smooth, while birch plywood and steel grille stand up to gig use. And with a six-year transferable warranty, you’re covered through heavy use.

 

 

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• Driver:
• 460 mm (18″) long-excursion woofer
•  
• Amplifier:
• 3,600 W total Class-D power
•  
• Freq. Response:
• 41–98 Hz (–6 dB);
• 35–111 Hz (–10 dB)
•  
• Max SPL: 136 dB peak @ 1 m
•  
• Modes:
• Omni, DEEP, cardioid (with ≥2 units), adjustable crossover/delay
•  
• Inputs:
• 2 × XLR/¼″ combo (Line/Insert)
•  
• Outputs:
• 2 × XLR loop-thru
•  
• Controls:
• Rotary encoder + LCD display + 2 select buttons
•  
• Mounting:
• Vertical upright with M20 pole socket;
• can lie horizontally
•  
• Build:
• Birch plywood, steel grille, casters, side handles
•  
• Power:
• Universal 100–240 VAC,
• locking IEC
•  
• Dimensions:
• 640 × 520 × 785 mm (25.2″×20.5″×30.9″)
•  
• Weight: 47 kg (104 lb)
•  
• Warranty: 6 years (after registration)