HK Audio Linear Sub-4000A
Best high output subwoofer for professional touring and large scale events.
This high-performance passive subwoofer delivers massive low-end impact for professional sound reinforcement. Designed for demanding live environments, it offers robust power handling and a flexible, switchable pin assignment for seamless integration into complex PA systems.
$1885.00
at
Thomann
More L Sub options
Who it's for
- Event organizers needing high-pressure bass for large outdoor or indoor venues.
- Professional sound engineers looking for a modular and scalable audio setup.
- Touring bands and rental companies requiring long-lasting, road-worthy equipment.
Who should skip it
- Solo performers or small crews who prioritize lightweight and portable gear.
- Budget-conscious hobbyists or small venues with limited capital for audio equipment.
- Mobile DJs with limited vehicle space or small storage capacities.
Performance breakdown
Low-end extension
Deep, authoritative bass response that anchors large-scale sound reinforcement setups.
Output volume
Massive SPL capabilities easily handle demanding professional live audio environments.
Build durability
Rugged birch multiplex construction withstands the rigors of frequent touring.
System integration
Flexible crossover points make pairing with full-range speakers straightforward.
Amplification efficiency
Class D power delivers high output without excessive heat or weight.
Portability
Heavy footprint requires serious effort to transport and position effectively.
Key Specs
Max SPL
135 dB half space
Frequency response
31 Hz – X-Over
Power Rating
1200 W
Amplifier
Class D
LF Speaker
1x 18 inch
Connections
2x XLR–1/4"-Combo In, 2x XLR Thru, 2x XLR Mid/High Out
Enclosure Material
Birch multiplex
Dimensions
91 x 51 x 81 cm
Weight
130.1 lbs
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