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Description
JBL SRX928S Powered Subwoofer - 2 x 18inAudio professionals in need of a subwoofer that's designed to complement the SRX900 Series full range sound reinforcement systems will be impressed with the JBL SRX928S, a dual 18" powered subwoofer well suited for rental companies, touring artists, DJs, and installations. The integrated DSP and amplification offer a true plug and play experience while providing consistency and optimum performance anywhere in the world. The two 18" Differential Drive
Audio professionals in need of a subwoofer that's designed to complement the SRX900 Series full-range sound reinforcement systems will be impressed with the JBL SRX928S, a dual 18" powered subwoofer well suited for rental companies, touring artists, DJs, and installations. The integrated DSP and amplification offer a true plug-and-play experience while providing consistency and optimum performance anywhere in the world.
The two 18" Differential Drive woofers are powered by the built-in Class-D amplifier and provide a frequency response of 31 to 100 Hz at 140 peak SPL. The SRX928S incorporates a large central low-frequency port design that improves airflow and reduces audible turbulence, even at high output levels. A full-featured software package provides users control of the system on various platforms including Windows, Mac, and iOS for iPad.
Highlights
- High-performance, high-density system solution in a truck-pack friendly format
- High-power-handling transducers deliver low distortion, high fidelity, and class-leading output
- Built-in, passively cooled Class D amplification with a universal power supply
- Dual ethernet ports with Neutrik etherCON connectors
- Supports HARMAN HControl Ethernet
- User-controllable DSP
- LevelMax limiting uses sophisticated excursion-control algorithms to protect transducers
- Rear-panel LCD provides complete access to control features
- Reinforced 0.7" plywood enclosure
Performance
The 2279-1 18-inch woofers deliver transparent, linear bass response down to 31 Hz. This driver uses dual 3" voice coils and leverages JBL's patented Differential Drive technology to deliver maximum sensitivity and power handling in a light, compact design.
Compatibility
SRX900 Series subwoofers are acoustically compatible with all SRX900 full-range speakers and support 60 Hz and 80 Hz operating modes. SRX900 line arrays can be ground stacked with SRX900 subwoofers using the optional base plate accessories.
Controlled Coverage
SRX900 subwoofers can be used in omnidirectional or cardioid configurations simply by selecting the appropriate speaker preset and cabinet orientation. The preset can be accessed directly from the rear panel LCD or via software.
Powered Solution
The fully integrated built-in amplifier and DSP are based on proven JBL technologies and explicitly packaged to fit the needs of the SRX900 Series. The DSP includes everything needed to optimize a system, including 24 user-adjustable filters, 2000ms of delay, and advanced features like array size compensation and FIR-based throw distance correction filters.
Versatile and Scalable
The SRX900 Series offers a complete system solution, including speakers, subwoofers, accessories, and software that support a variety of configurations and simplify storage, transport, and rigging. Because systems are scalable, it's easy to start with a small system and add components over time. All SRX900 products have been designed to work seamlessly together with other JBL tour sound products, with common voicing targets and phase characteristics that ensure systems combine coherently.
JBL SRX928S Specs
| Configuration | Active Dual Subwoofer |
| Enclosure Type | Bass-Reflex Line Array Subwoofer |
| Total Power Capacity | 1100 W RMS 2500 W Peak |
| Amplifier Class | Class-D |
Drivers
| HF Driver | None |
| MF Driver | None |
| LF Driver | 2 x 18" / 457.2 mm Woofer |
| LF Voice Coil | Dual 3" / 76.2 mm |
| Magnet | Ferrite |
Performance
| Frequency Range | 31 Hz to 100 Hz -10 dB |
| Frequency Response | 39 Hz to 80 kHz -3 dB |
| Maximum SPL | 140 dB (Peak) |
| Input Sensitivity | +6 dBu |
| Max Input Level | 21 dB |
| I/O Impedance | XLR Line Input: 100 Kilohms |
Connectivity
| Audio I/O | 2 x XLR 3-Pin Balanced Line Input/Output |
| Network I/O | 2 x etherCON (Control/Network/Proprietary) In/Out |
| USB | None |
| Wireless Connectivity | None |
Signal Processing
| EQ | Yes |
| Parametric EQ | Yes |
| Semi-Parametric EQ | None |
| Alignment Delay | Yes |
| Phase Adjustment | Yes |
| Digital Signal Processing | Delay, FIR Filter (Adjustable via Optional Software) |
| Maximum Sampling Rate | 48 kHz / 24-Bit |
Power
| AC Input Power | 100 to 240 VAC, 50 / 60 Hz |
| AC Power Connector | 1 x PowerCON TRUE1 Input 1 x PowerCON TRUE1 Output |
| Current Consumption | 120 VAC: 4.8 to 18.2 A 240 VAC: 2.1 to 7.3 A |
Physical
| Mounting | Integrated Rigging |
| Handles | 2 x Each Side |
| Cooling | Convection, Fan (Variable Speed), Heat Sink |
| IP Rating | IP54 |
| Construction Material | Aluminum, Perforated Metal Grille, Plywood |
| Dimensions | 47.4 x 26.8 x 22.2" / 1204 x 680.7 x 563.9 mm |
| Weight | 155 lb / 70.3 kg |
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 30 reviews
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Product Reviews
★★★★★ 4
Normally amazing
Color: Spiky Ball (Blue, Orange), Size: Medium
We have purchased these slightly spiky dog balls several times for our very strong jaw heavy chewer dogs and they’ve been amazing. They don’t break down they don’t get torn apart the squeakers don’t even pop out of them.
So we ordered another package because we’ve lost a few outside to the lawnmower… oops and the package that got delivered today had only one ball that squeaks and the other does not. THIS IS A PROBLEM ! Unfortunately my female dog got to the new squeaking ball first and my male got to the non-squeaking ball and he was NOT happy. Basically once they claim a ball it’s theirs and the other dogs don’t go near the ball they claimed. So he’s following my female around and every time she squeaks the ball and I’m just waiting for him to attempt to take it from her causing damage to her. Normally… These are amazingly fun, tough, durable but also squeaking balls (that’s rare in a tough ball) that my dogs absolutely love.
This time just got a bad batch I guess. When they squeak the dogs LOVE them. After several months of play the squeaker might break inside of the ball but the ball never comes apart or gets damaged. And we as the owners love that they don’t break down are not able to be ripped or torn even by our very strong jawed and big jaw muscle dogs.
They are also great for in the house play because they’re small enough that they fit completely inside our dog‘s mouth but obviously not small enough to get swallowed so when we throw them in the house for fetch the dogs can jump up and catch them fully in their mouth so they don’t cause any damage to the walls when they hit the walls. They’re not super heavy but they’re incredibly durable.
Definitely worth the price especially if you have heavy chewers or big jaw muscle dogs.
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Reviewed in the United States on April 28, 2026
★★★★★ 5
Best fun indestructible toy
Color: Crinkle Duck (Yellow), Size: Large
Truly indestructible no matter how much our oittie tries. She has owned it for three months works at destroying every day with no success. She carries it everywhere. Best purchase for chewer, more fun than the popular rubber heavy duty toy. Do not hesitate your pup will thank you for this fun distraction.
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Reviewed in the United States on May 30, 2026
★★★★★ 5
My dog loves this toy!
Color: Bunny (Gray), Size: Large, Color: Bunny (Gray), Size: Large
High quality, big toy, perfect for a medium to large size dog. After a few months of serious chewing I had to buy another one, but well worth the money! Rocky loves it.
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Reviewed in the United States on June 11, 2026
★★★★★ 4
Great toy but if your dog is an aggressive chewer, please think twice.
Color: Crinkle Chicken (Brown), Size: Large
I received this on May 23rd and on June 8th, after playing with this thing every day, our recently acquired 36 lb dog finally ripped it open and got out all the plastic and the squeaky part. Lily Belle will miss you, chicken.
Lily loooooved this toy! She'd toss it in the air, chew on it, pull it with her teeth etc. but as much as she loved it, we won't replace it. It's just not durable enough for her.
If your dog is an aggressive chewer, you might want to try a different toy. I hate that this lasted just a smidge over two weeks because Lily seemed to truly enjoy this toy.
RIP, squeaky chicken!
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Reviewed in the United States on June 9, 2026
★★★★★ 5
Durable Toy for Active Dogs
This ball is strong enough to handle daily play while keeping dogs entertained. It provides stimulation that helps reduce boredom and restlessness. The material feels tough but safe for dogs, and the interactive design makes it more exciting than a regular ball. It’s also lightweight enough for indoor or outdoor use. A smart choice for pet owners looking to keep dogs occupied.
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Reviewed in the United States on November 13, 2025