HK Audio LINEAR SUB 4000 2400 Watt 18" Passive Subwoofer​

Overview

The HK Audio LINEAR SUB 4000 is a powerful 18" dual vented bandpass subwoofer designed to deliver an impressively deep low-frequency response, ranging from 30 to 100 Hertz. Compatible with all LINEAR 5 full-range speakers and mid/high units, it serves as an excellent extension to the LINEAR 5 LTS long-throw system. Its robust construction and high power-handling capabilities make it ideal for professional sound reinforcement applications.

Features:

• Powerful 18" Dual Vented Bandpass Design – Delivers deep, impactful low frequencies.


• Compatible with LINEAR 5 Series Speakers – Perfect extension for the LINEAR 5 LTS long-throw system.


• Impressive Low-Frequency Response – Covers a range from 30 Hz to 100 Hz.


• Rugged Birch Multiplex Enclosure – Finished with black acrylic enamel for durability.


• Eight Integrated MultiGrip Handles – Ensures easy transport and handling.

Specifications:

• Power Handling:




• RMS: 1200W


• Program: 2400W


• Peak: 4800W




• Frequency Response (-10 dB): 31 Hz – X-over


• Sensitivity (1W/1m): 106 dB half space


• Max SPL (Peak @ 10% THD): 137 dB half space


• Impedance: 4 ohms


• LF Driver: 1x 18" woofer with 4" voice coil featuring advanced ventilated voice coil gap


• Crossover Frequency: 100 Hz, active X-over with controller amp (adjustable for sub-low use)


• Connections: 2x Speakon NL4, pin assignment switchable between 1+/1- and 2+/2-


• Pole Mounts: 2x M20


• Handles: 8x MultiGrip


• Enclosure: Birch multiplex


• Finish: Black acrylic enamel


• Grille: 2 mm metal grille backed with black acoustic foam


• Dimensions (WxHxD): 91 x 51 x 81 cm (35-3/4" x 20" x 31-25/32")


• Weight: 57.1 kg (125.9 lbs)