QSC KLA181
Professional music gear - detailed information and where to buy
QSC
KLA181
Product Info
* Prices may vary. Check retailer for current pricing and availability.
The KLA181 is a serious subwoofer – think arena-level sound, not a small club. It's built like a tank and delivers bone-rattling low-end that will shake a room. Perfect for touring bands, large events, and anyone needing serious low-frequency reinforcement.
Product Description
- QSC KLA181
- Subwoofer
- Power rating: 1000 Watt amplifier module
- Equipped with: 18"
- SPL: 135 dB peak SPL
- Power Twist input and output
- Dimensions: 653 x 594 x 653 mm
- Weight: 47.2 kg
PROS
- • Exceptional low-end extension for live sound reinforcement.
- • Robust birch plywood construction ensures roadworthiness and durability.
- • Power Twist connectors simplify cabling and minimize downtime.
- • QSC's amplifier design delivers clean, powerful output even at high SPL.
CONS
- • Significant weight makes transport challenging for solo operators.
- • Limited pattern control – primarily designed for front-firing applications.
- • Premium-priced compared to some competing subwoofers in the market.
Product Video
Key Features
Power (Watts)
1000
Woofer Size
18 in
Frequency Range
38 Hz - 120 Hz
Max SPL
135 dB
Crossover
High-pass filter @ 60 Hz (internally linked)
Weight
47.2 kg
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Frequently Asked Questions
The KLA181 offers significantly deeper bass extension and higher output than the K15, but it's substantially heavier and less versatile for smaller spaces.
Absolutely, it simplifies setup and reduces the risk of connection failures, saving valuable time and frustration during gigs.
It’s a powerhouse for anything bass-heavy – hip-hop, electronic music, rock, and pop all benefit from its deep, controlled low end.
