Wharfedale Pro WLA-28SUB | Dual 15in - 145dB | Flyable Passive Subwoofer
Wharfedale Pro WLA-28SUB | Dual 15in - 145dB | Flyable Passive Subwoofer
Wharfedale Pro WLA-28SUB | Dual 15in - 145dB | Flyable Passive Subwoofer
Wharfedale Pro WLA-28SUB | Dual 15in - 145dB | Flyable Passive Subwoofer

Wharfedale Pro WLA-28SUB | Dual 15in - 145dB | Flyable Passive Subwoofer

$1,797.99
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Returns & Exchanges Policy
All orders come with our industry leading 90-Day return policy.
  • Cash Back or Store Credit available for returns within 30 days.
  • Store Credit available for returns within 31-90 days.
Restocking fees
  • Unopened Items: 5%
  • Opened but Mint Condition: 15%
  • Blemished, Missing/Damaged Packing or Accessories: 25%
Shipping Costs
  • Buyer is responsible for return shipping costs
  • If "Free" or discount shipping was provided with original order, our actual shipping cost will be deducted from the amount refunded/credited
Damages & Defects
  • We will swap any item reported as damaged or defective within 7 days of delivery for free. All transportation and replacement costs will be covered by us (within US48 states).


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Description

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Return Policies

Passive Line Array Subwoofer

Wharfedale Pro WLA-28SUB is a dual 15-inch passive subwoofer designed for high-impact low-frequency reinforcement in WLA-28X touring and installation systems. With flyable rigging, birch plywood construction, and 145 dB max SPL, it provides powerful bass support for large-scale sound applications.

Wharfedale Pro WLA-28SUB Competitive Differences

  • Dual 15-inch LF drivers with 4-inch voice coils
  • 1200W continuous, 2400W program, and 4800W peak power handling
  • 145 dB max SPL at 1 m in half-space conditions
  • Flyable or ground-deployable design with integral 3-point rigging

Wharfedale Pro WLA-28SUB Description

The Wharfedale Pro WLA-28SUB is built for professional low-frequency reinforcement in touring rigs, venues, and installed WLA-28X systems. Its bass-reflex enclosure houses two 15-inch ferrite LF drivers, each with a 4-inch voice coil, delivering controlled output for demanding live sound environments.

With 1200W continuous power handling, 2400W program power, and 4800W peak capacity, this passive subwoofer provides the headroom needed for high-output applications. Its 4 ohm system impedance, 108 dB sensitivity, and 39 Hz low-frequency response help extend system impact while maintaining efficient performance.

The enclosure is constructed from birch plywood with a black Tough-Tone finish and a black steel grille for road-ready durability. Integral rigging hardware allows the subwoofer to be flown within compatible arrays or used on the ground, making it suitable for both touring productions and fixed installations.

WLA-28SUB Features

  • Passive dual 15-inch subwoofer for WLA-28X systems
  • Bass-reflex enclosure configuration
  • 2 x 15-inch LF drivers with ferrite magnets
  • 4-inch LF voice coils
  • 1200W continuous system power handling
  • 2400W program power handling
  • 4800W peak power handling
  • 145 dB max SPL at 1 m in half-space conditions
  • 39 Hz - 900 Hz frequency response
  • Preset library support
  • 2 x 4-pole speaker connectors
  • Birch plywood enclosure
  • Black Tough-Tone finish with black steel grille
  • Integral 3-point rigging hardware
  • Suitable for flying or ground deployment
  • 2 carry handles

WLA-28SUB 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 at 1 m: 145 dB half-space
  • Frequency Response (+/-3 dB): 39 Hz - 900 Hz
  • Frequency Range (-10 dB): 39 Hz - 1.5 kHz
  • System Rated Impedance: 4 ohms
  • Sensitivity: 108 dB at 2.83 V / 1 m
  • LF Driver Size: 2 x 15 in.
  • LF Magnet Material: Ferrite
  • LF Frame Material: Aluminium
  • LF Voice Coil Size: 4 in.
  • LF Rated Impedance: 2 x 8 ohms
  • LF Power: 2 x 600 W RE:AES2-2012
  • Input Connector: 2 x 4-pole speaker connector
  • Enclosure Material: Birch plywood
  • Grille Material and Finish: Steel black
  • Finish: Black Tough-Tone
  • Handles: 2
  • Deployment: Flying, ground
  • Pole Mount: None
  • Rigging: Yes
  • Integral Rigging: 3 points
  • Crossover Frequency: Preset dependent
  • Recommended HPF: 39 Hz, BW 18 dB/oct.
  • Bi-Amp Mode Switch: No
  • Bluetooth: No
  • IP Certification: None
  • Transformer: No
  • Unpacked Dimensions: 485 x 760 x 716 mm / 19.1 x 29.9 x 28.2 in.
  • Packed Dimensions: 850 x 575 x 716 mm / 33.5 x 22.6 x 28.2 in.
  • Net Weight: 61.2 kg / 134.9 lb
  • Gross Weight: 66 kg / 145.5 lb

What's In The Box

  • WLA-28SUB subwoofer
  • User manual

Shipping


Orders ship from our northern NJ warehouse the same day if ordered by 3:30PM EST. Transit time ETA's are listed in the image below:

Djhouse_shipping_map

Return Policies

All orders come with our industry leading 90-Day return policy.
  • Cash Back or Store Credit available for returns within 30 days.
  • Store Credit available for returns within 31-90 days.
Restocking fees
  • Unopened Items: 5%
  • Opened but Mint Condition: 15%
  • Blemished, Missing/Damaged Packing or Accessories: 25%
Shipping Costs
  • Buyer is responsible for return shipping costs
  • If "Free" or discount shipping was provided with original order, our actual shipping cost will be deducted from the amount refunded/credited
Damages & Defects
  • We will swap any item reported as damaged or defective within 7 days of delivery for free. All transportation and replacement costs will be covered by us (within US48 states).