Wharfedale Pro WLA-28SUBXF Line Array Subwoofer Passive 15-Inches SKU# WD-WLA-28SUBXF
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.
- 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
- Height front 494 mm / 19.4″
- Height Rear 494 mm / 19.4″
- Width 845 mm / 33.3″
- Depth 653 mm / 25.7″
- Height 584mm / 23″
- Width Front 933mm / 36.7″
- Width Rear 933mm / 36.7″
- Depth 723mm / 28.5″
- Net Weight (kg) 81.0 Kg / 178.2 lbs
- Gross Weight (kg) 86.4 Kg / 190.1 lbs







