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