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Description
Wharfedale WLA-28SUB Passive Flying Subwoofer - 2 x 15"Since the launch of the WLA 28 line array, people have been expanding their systems into monster sized rigs. As these rigs have expanded, the demand for even more bass has also increased. The new WLA 28SUB now delivers that enormous bass for larger WLA systems all in a physical enclosure that fits perfectly with flown or ground stacked WLA 28 systems. With DUAL 15 Wharfedale Pro drivers boasting 4 voice coils, the WLA 28SUB is capable of 145dB and
Since the launch of the WLA-28 line array, people have been expanding their systems into monster-sized rigs. As these rigs have expanded, the demand for even more bass has also increased.
The new WLA-28SUB now delivers that enormous bass for larger WLA systems – all in a physical enclosure that fits perfectly with flown or ground stacked WLA-28 systems.
With DUAL 15” Wharfedale Pro drivers boasting 4” voice coils, the WLA-28SUB is capable of 145dB and handles peaks of up to 4800w.
Ground stack or fly
Using the optional WLA-28SUB fly frame gives system versatility.Fly the WLA-28SUB at the top of the array along with up to 12 units of WLA-28 with a safety factor of 12.Alternatively, ground stack using the WLA-28SUB Fly Frame
Dual 15″ LF transducers
The dual 15″ LF transducers are mounted inside the cabinet in such a way to maximise the low frequencies while keeping the physical cabinet dimensions to a minimum.
Huge voice coils
The 4″ voice coils ensures massive power handling.The WLA-28SUB can handle peaks of up to 4800w and programme material averaging 2400w.These custom Wharfedale Pro 15″ drivers are efficient and powerful – delivering the sub-bass punch needed for larger gigs and impressive installations.
Strong internal bracing
With so much potential air movement, the cabinet of a subwoofer this size must also be incredibly robust – both externally and internally.The internal bracing of the WLA-28SUB has been carefully designed to avoid any vibrations or shape distortions during high volume use.Using 18mm plywood the robust cabinet is ready for whatever the bottom-end needs.
Features
- 1200W RMS / 2400W Programme / 4800w Peak
- 145dB Max SPL
- 2 custom 15″ LF drivers
- Designed to fly or stack with WLA-28
- 4″ voice coils
- 4Ω impedance
- Proprietary enhanced Rhino Rock paint for a chip resistant finish
- Dedicated WLA-28SUB Fly Frame available
Specifications
| Configuration | Dual 15″ Subwoofer |
| Frequency Response (+/-3dB) | 39Hz – 900Hz |
| Frequency Range (-10dB) | 39Hz – 1.5kHz |
| Sensitivity (2.83w/1m) | 108dB |
| Calculated Max SPL @1m | 145dB |
| System rated impedance | 4Ω |
| LF Transducer | |
| Size | 381mm / 15″ x 2 |
| Voice coil size | 100mm / 4.0″ |
| Magnet material | Ferrite |
| Frame material | Aluminium |
| Rated impedance | 2 x 8Ω |
| LF Power (re:AES2-2012) | 2 x 600w |
| System Continuous power | 1600w |
| System Programme power | 2400w |
| System Peak power | 4800w |
| Hardware | |
| Input connector | 2 x speakON compatible |
| Rigging | Integral, non-adjustable |
| Pole Mount | No |
| Handles | 2 |
| Enclosure | |
| Cabinet type | Square |
| Material | 15mm / 18mm plywood |
| Colour options | Black rhino rock paint |
| Grille material | Steel |
| Dimensions – unpacked | |
| Width | 760mm / 29.9″ |
| Depth | 716mm / 28.2″ |
| Height | 485mm / 19.1″ |
| Dimensions – packed | |
| Width | 850mm / 33.5″ |
| Depth | 806mm / 31.7″ |
| Height | 575mm / 22.6″ |
| Weight | |
| Net weight | 61.2kg / 134.6lbs |
| Gross weight | 66kg / 145.2lbs |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 18 reviews
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Product Reviews
★★★★★ 5
Best dog ball in the world!
Size: Large, Pattern Name: Pack of 1, Size: Large, Pattern Name: Pack of 1
My dog is singularly obsessed with playing ball. He would drop a steak to chase a ball. (He'd return to the steak, but not without the retrieved ball. He's not an idiot.) He makes dangerous leaps, crashes into trees, and runs fast enough to catch thrown balls before they even hit the ground. Since he doesn't care about his own wellbeing, it's my job to protect him as much as I can. And a lot of balls are hard enough to cause him pain or dental damage when he mistimes a catch. Enter the ChuckIt Glow Ball!
The minute Cowboy got his first Glow Ball, he no longer had any interest in the dozens of tennis balls scattered around the house and yard. If I took the Glow Ball away and instead threw a tennis ball, Cowboy would run to retrieve the ball, then return without it and begin looking all over the house for the Glow Ball. The Glow Ball is tough enough to survive Cowboy's big, sharp chompers, yet it's soft enough to do no harm when it hits him in the face. The glow feature is a huge bonus, too. Cowboy gets distracted by chipmunks and squirrels when we're playing, so he sometimes can't remember where he dropped the ball to pursue the interloper. If the ball was exposed to enough light before it was misplaced, it will be easy to find once the sun goes down. (Otherwise, Cowboy always finds it eventually.) When I'm feeling nocturnal, I'll put the ball under a light for a few minutes to activate the electrons, then treat my boy to a middle-of-the-night game of fetch.
I was so happy to see these on sale, I bought a lifetime supply for my pantry. The size guide seems accurate. ChuckIt recommended the large size for a dog of Cowboy's weight and that size is perfect. Highly recommended product.
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Reviewed in the United States on October 14, 2024
★★★★★ 5
Heavy chewer approved.
Style: Ball, Size: Medium (Pack of 1)
My pomsky will destroy a toy in minutes. Ropes, and the "indestructible" nylon type stuffs are no match for my furry shark. This ball has stood up to him like David. He loves the crunch and it is so much more tolerable than a squeaker. These will be a staple in his toy box - Chuckit toys are really the most durable dog toys I have found in three years.
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Reviewed in the United States on April 26, 2026
★★★★★ 5
Fun Ball
Style: Ball, Size: Medium (Pack of 2)
Great new ball for our pup. He loves the sound of the crunch!
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Reviewed in the United States on May 25, 2026
★★★★★ 5
Durability
Style: Ball, Size: Medium (Pack of 2)
My dog loves these balls!
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Reviewed in the United States on May 25, 2026
★★★★★ 5
Dogs love them
Style: Ball, Size: Medium (Pack of 2)
Our dogs love these. What’s great is that you can add more plastic (like from water bottles) if the plastic starts to fall out from the center. If you have a chewer, though, these won’t last you long. Our shepherd mix loves these and then starts to pull the rubber apart the more she plays with it. Our other dogs treat it normally, though, and those ones last forever. They also get some decent height when bounced, and they make a unique whistling noise when thrown.
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Reviewed in the United States on November 17, 2025