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HK Audio Linear Sub 4000 passive subwoofer

Item: PAH0022628-000
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18″ double vented bandpass subwoofer with a load capacity of 1200 watts RMS & 135 dB SPL in a birch multiplex enclosure.  All product info

$ 1,954.00
excl. VAT

Additional import duties apply to this shipment due to U.S. Customs Regulations. These charges will be collected by the delivery service before or upon delivery.

available soon, estimated to be in stock: May 21, 2026

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HK Audio Linear Sub 4000

Passive subwoofer with 18 inch

  • Double ventilated
  • Power handling 1200 watts RMS
  • 135 dB SPL
  • Low frequency response from 30 to 100 Hertz
  • Compatible with all LINEAR 5 full-range and mid/high models
  • Birch multiplex cabinet

HK Audio Linear Sub 4000 at a glance:

The HK Audio Linear Sub 4000 is a powerful 18″ dual vented bandpass subwoofer. It is compatible with all LINEAR 5 full-range and mid/high models and impresses with a powerful low-frequency response from 30 to 100 Hertz. The Bass is the recommended complement to the LINEAR 5 LTS long-throw powerhouse.

As a sublow extension to the existing LINEAR SUB 2000, it delivers powerful low bass with optional frequency separation. Filter presets for Lab.gruppen IPD and PLM 12K44 controllers are available.

HK Audio L Sub 4000 Passive Subwoofer with 18 inch

Technical data

  • Rated power RMS: 1200 W
  • Program power handling: 2400 W
  • Frequency response +/-3 dB: 39 Hz - X-Over
  • Frequency response -10 dB: 31 Hz - X-Over
  • Characteristic sound pressure level 1 W @ 1 m: 106 dB Halfspace
  • Max. SPL @ 10% THD: 135 dB Halfspace
  • Max. SPL Peak @ 10% THD: 137 dB Halfspace
  • Electrical impedance: 4 Ohm
  • Loudspeaker: 1x 18", 4" voice coil with Advanced-Ventilated Voice-Coil-Gap
  • Crossover frequency passive: 100 Hz, active separation with controller amp (crossover frequency optionally lower when using sublow)
  • Connectors: 2 x Speakon NL4, pin assignment, switchable between 1+/1- and 2+/2-
  • High stand flange: 2x M20
  • Handles: 8x MultiGrip
  • Cabinet: birch multiplex
  • Cabinet finish: acrylic lacquer, black
  • Front grille: 2 mm metal grille with black acoustic foam
  • Dimensions (WxHxD): 91 x 51 x 81 cm
  • Weight: 57.1 kg
Manufacturer information
STAMER Musikanlagen
Tritschlerstraße 3
66606 St. Wendel
Germany
info@musicandsales.com

Features:

  • Manufacturer: Hk Audio
  • Typ: Sub
  • Signal Processing: Passive
  • Size of Woofer (Inches): 18
  • Impedance (Ohm): 4
  • max. Peak SPL (dB): 135
  • Weight (kg): 57.1
  • Housing Material: Wood
  • Flange: M20
  • Airworthy: No
  • Input: Speaker Twist
  • Height (mm): 510
  • Width (mm): 910
  • Depth (mm): 810
  • incl. Stand: No
  • incl. Cover: No
HK Audio Linear Sub 4000 Product ImageHK Audio Linear Sub 4000
$ 1,954.00