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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
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★★★★★ 5
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Scent: Fragrance-Free, Size: Hair Duo
Unscented and gentle on my child's hair. I love it. It leaves his hair soft and clean. I like that it comes in bigger containers, so I get a lot of 'Bang' for my buck.
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Reviewed in the United States on March 3, 2026
★★★★★ 5
We love Tubby Todd!
Scent: Lavender Rosemary, Size: Hair Duo
Tubby Todd has been our go-to since day 1 with our kids! Love the clean ingredients.
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Reviewed in the United States on May 22, 2026
★★★★★ 5
Absolute best for child and money
Scent: Lavender Rosemary, Size: Hair Duo
Perfect for my kids with sensitive skin. Does not dry out skin and hair like regular store bought baby/child products. They have eczema prone skin and Keratosis Pilaris and it hydrates better than others labeled for sensitive skin. Fragrance is clean and not overbearing. Also great for curly frizz prone hair. Not painful if it gets in eyes unlike others that claim tear free.
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Reviewed in the United States on February 9, 2026
★★★★★ 5
I love it!!
Scent: Lavender Rosemary, Size: Hair Duo
I’m a bit of a crunchy mom and I LOVE this product/brand I stand behind everything Tubby Todd!. The ingredients, quality, mild scent, results - EVERYTHING!
My daughter is very fair skin and gets an irritated skin from practically everything - BUT the Tubby Todd seems to really soothe her skin. We use it daily for either body wash and/or shampoo and as a mom I feel good knowing it’s a more natural product that actually helps her skin.
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Reviewed in the United States on December 3, 2024
★★★★★ 5
Best product for your little one
Scent: Fragrance-Free, Size: Hair Duo
This is a great product. My family has been using the entire line for years. I would HIGHLY recommend this product line.
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Reviewed in the United States on August 5, 2025