QSC KS118 Subwoofer
Best powerful bass for professional sound reinforcement.
This powerhouse delivers massive, chest-thumping low end that transforms any portable PA into a professional-grade rig. While its rugged, heavy-duty build demands some extra muscle during load-in, the trade-off is a level of sonic authority and cardioid-capable precision that smaller subs simply cannot touch.
$2199.99
at
Chuck Levin's Washington Music Center
Who it's for
- Live sound engineers and mobile DJs needing robust bass for big events.
- Audiophiles and event producers prioritizing rich, extended low-frequency response.
- Touring professionals and rental companies requiring durable, road-ready audio equipment.
Who should skip it
- Solo performers and small event organizers with limited crew or vehicle space.
- Budget-conscious buyers or hobbyists seeking entry-level sound reinforcement solutions.
- Users primarily operating in small clubs or personal studios where less power suffices.
Performance breakdown
Low Frequency Output
The 3,600W amplifier delivers massive, room-shaking bass with incredible authority.
Build Durability
Rugged painted wood construction handles the rigors of frequent touring easily.
System Versatility
Cardioid mode and adjustable delay offer professional control for complex setups.
Portability
At 104 pounds, it requires a solid hand or cart for transport.
Ease of Setup
Onboard scene presets make dialing in common configurations quick and intuitive.
Driver Performance
The 18-inch long-excursion woofer maintains clarity even at high volume levels.
Key Specs
Dimensions
25.2 x 20.5 x 30.9 in (640 x 520 x 785 mm) including casters
Weight
104 lbs (47 kg)
Manufacturer
QSC Audio
Model
KS118
Power Output
3600 Watts
Driver Size
18 inches
Enclosure Material
Painted wood
Speaker Type
Active subwoofer, Direct-radiating woofer
Mounting Type
Vertical or horizontal deployment
Primary Use
Mobile entertainment, AV rental, event production, clubs, performance venues
Know before you buy
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