HK Audio LINEAR-SUB-4000 – 2400-Watt 2 x 18" Passive Subwoofer

LINEAR SUB 4000 is a powerful 18" dual vented bandpass subwoofer. It is compatible with all LINEAR 5 full-range speakers and mid/high units and delivers an impressively powerful low-frequency response from 30 to 100 Hertz. The subwoofer is the recommended extension to the LINEAR 5 LTS long-throw powerhouse. It can be used as a subwoofer extension to the existing LINEAR SUB 2000, delivering powerful low bass with optional frequency separation. Filter presets for Lab.Gruppen IPD and PLM 12K44 controllers are available.

• <>Power-handling nominal (RMS): 1200 W
• <>Power-handling, program: 2400 W
• <>Frequency response +/-3 dB: 39 Hz – X-over
• <>Frequency response -10 dB: 31 Hz – X-over
• <>Sensitivity 1 W @ 1 m: 106 dB half space
• <>Max. SPL @ 10% THD 135 dB half space
• <>Max. SPL peak @ 10% THD: 137 dB half space
• <>Electrical impedance: 4 ohms
• <>Low-/mid speaker: 1x 18", 4" voice coil featuring advanced ventilated voice coil gap
• <>Crossover frequency: 100 Hz, active X-over with controller amp (can be set lower when used as a sub-low)
• <>Connections: 2x Speakon NL4, pin assignment switchable between 1+/1- and 2+/2-
• <>Integrated pole mount: 2x M20
• <>Carrying handles: 8x MultiGrip
• <>Housing: Birch multiplex
• <>Finish: Acrylic enamel, black
• <>Front 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