HK Audio L SUB 4000 A - 18″ Subwoofer, 1200 W
(You save $750.01)
About HK Audio L SUB 4000
L SUB 4000 is the flexible new 18" subwoofer from HK Audio. Compatible with all LINEAR 5 full range speakers and mid/high units, its powerful low end - ranging from 30 to 100 Hertz - is totally and powerfully impressive. L SUB 4000 A can also serve as a sub-low add-on to LINEAR SUB 2000 to beef up the bottom end in the range of 30 to, for example, 70 Hertz (optional frequency separation). Filter presets are available for Lab.gruppen IPD controllers.
• Powerful and versatile 18" subwoofer
• Birch multiplex 15/18mm, 9/13 ply
• Power handling program 2400W
• Nominal impedance 4 ohms
• 31Hz - X-Over
• 137dB half space
• 1 x 18" (4 ohms) with 4" voice coil
• Compatible with all LINEAR 5 full range speakers and mid/high units
• Sub-low add-on to LINEAR SUB 2000
• Filter presets available for Lab.gruppen IPD controllers
Innovative and Combinable
The chambers of this double-ventilated band-pass enclosure were tuned differently and optimized for ultra-low signals and kick drums. L SUB 4000 can be deployed flexibly as the sole subwoofer for a PA or as a sub-low extension unit. HK Audio engineers tuned the L SUB 4000's band-pass enclosure and the filter presets to deliver phase-corrected response when paired with the L SUB 2000. This means the L SUB 4000 can be added to a legacy system without requiring additional outboard controllers. To this end, the freely assignable terminals, which are switchable between the first and second pair of NL4 connectors, give you even more cabling options.
Dynamic and Faithful Response
Rugged high-tech courtesy of German engineering: HK Audio has decades of experience developing advanced sound reinforcement solutions and the L SUB 4000 has also benefitted from their engineers' unique skillset. This subwoofer delivers high maximum SPL paired with dynamic, deep-ranging response and renders signal peaks with remarkable fidelity even when pushed very hard. Its robust wood housing is built to withstand the wear and tear of daily use. L SUB 4000 is perfectly suited for professional gigs and installation in clubs. Presets that include the correct limiter thresholds for the system controllers / amplifiers protect electronic components from overloads to ensure this unit will keep delivering reliable performance for many, many tomorrows to come.
HK Audio L SUB 4000 Specifications
Power-Handling Nominal (RMS)
135dB half space (at 10% THD)
Max SPL Peak
137dB half space (at 10% THD)
106dB half space
Frequency Response +/- 3dB
39Hz - X-over
Frequency Response -10dB
31Hz - X-over
1x 18" (4Ohms) with 2.5" voice coil featuring advanced ventilated voice coil gap (Neodymium)
100Hz, active X-over with controller amp (can be set lower when used as a sub-low)
2x Speakon NL4, pin assignment switchable between 1+/1- and 2+/2-
2mm / 0.08" metal grille backed with black acoustic foam
Dimensions (W x H x D)
91 x 51 x 81cm / 35.83 x 20.08 x 31.89"
57.1kg / 125.88lbs
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