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Wharfedale Pro WLA-28SUBXF Line Array Subwoofer Passive 15-Inches SKU# WD-WLA-28SUBXF

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The WLA-28SUBXF is a dual 15″ IPX6-rated subwoofer from our WLA-28XF System, purpose-built for outdoor touring and installation environments requiring deep low-frequency power and total IPX6 weather protection.

Developed from the proven WLA-28SUB, this waterproof “F” model delivers the same acoustic performance with enhanced environmental durability. Its rust-proof aluminium grille, wax-coated components and stainless-steel hardware ensure resistance to rain and corrosion, while the flat grille design prevents standing water and aids long-term storage.

Featuring dual custom Wharfedale Pro 15″ drivers, WLA-28SUBXF delivers powerful, controlled bass with a maximum SPL of 145 dB @ 1 m. A single WY-24K4Z waterproof input connector ensures a secure, sealed connection in all conditions.

Engineered for consistent, high-impact performance, WLA-28SUBXF extends the WLA-28XF system with reliable, weatherproof low-end reinforcement — built to perform rain or shine.

Specifications
  • Active or Passive: Passive
  • System Type: Subwoofer
  • Configuration: Bass-reflex
  • System Continuous Power: 1200 W
  • System Programme Power: 2400 W
  • System Peak Power: 4800 W
  • Max SPL @ 1m: 145 dB (Half Space)
  • Frequency Response (+/- 3dB): 39Hz -900 Hz
  • Frequency Range (- 10 dB): 35Hz -1.5 KHz
  • Bluetooth: No
  • IP Certification: No
  • Driver Brand: Wharfedale Pro
  • LF Driver Size: 15"
  • LF Magnet Material: Ferrite
  • LF Frame Material: Aluminium
  • LF Voice Coil Size: 4"
  • LF Rated Impedance: 2 x 8 Ω
  • LF Power (RE:AES2-2012): 2 x 600 W
  • Preset Library: No
  • Input Connector: Single WY-24K4Z Waterproof Input Connector
  • Cabinet Type: Square
  • Enclosure Material: Birch Plywood
  • Grille Material and Finish: Black Aluminium
  • Finish: Waterproof Black Paint
  • Handles: Yes
  • Deployment: Ground, Flying
  • Pole Mount: None
  • Rigging: Yes
  • Integral Rigging: 4 Points
  • Sensitivity 2.83v / 1m: 108 dB
  • System Rated Impedance: 4 Ω
  • Crossover Frequency: Preset Dependent
  • Recommended HPF = BW 18 dB/OCT.: 35 Hz
  • Included Accessory: User Manual
Unpacked
  • Height front 494 mm / 19.4″
  • Height  Rear 494 mm / 19.4″
  • Width 845 mm / 33.3″
  • Depth 653 mm / 25.7″
Packed 
  • Height 584mm / 23″
  • Width Front 933mm / 36.7″
  • Width Rear 933mm / 36.7″
  • Depth 723mm / 28.5″
Weight
  • Net Weight (kg) 81.0 Kg / 178.2 lbs
  • Gross Weight (kg) 86.4 Kg / 190.1 lbs
Limited 3 Year Manufacturer Warranty



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