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JBL STX828S

Item ID: STX828S

Dual 18" Passive Subwoofer with 4,000W RMS Power Handling at 8 Ohms, Multi-ply Birch/Poplar Construction, and DuraFlex Coating - 180 lbs. (ea)

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  • Retail Price$2499.00
  • Sweetwater Savings-$500.00
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  • Sale Price:$1999.00
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From Our Research Team:

Tour-quality Subwoofer That's Built to Last

The JBL STX828S passive subwoofer gives you high-performance, tour-quality sound in a road-ready format. All STX800 Series speakers give you exceptional durability thanks to multi-ply birch/plywood construction, complete with a Duraflex finish for additional protection. The STX828S handles an incredible 4,000 watts of power for rock-solid bass response in any application. No matter how you use it, you'll love the big sound and reliable performance you get from the JBL STX828S passive subwoofer!

JBL STX828S Passive Subwoofer at a Glance:
  • Designed for powerful performance
  • Road-ready construction
  • JBL's 100-hour power test

Designed for powerful performance
JBL's STX828S passive subwoofer packs dual 18" drivers with 4,000-watts RMS power handling for maximum sonic quality and amazing impact. JBL's Super Vented Gap woofer technology helps extend the frequency response, so you'll get ultra-low bass that retains punch and focus. The high power rating gives the STX828S the needed headroom to reproduce your sound with exceptional richness and focus, with virtually distortion even when pushed hard.

Road-ready construction
If you need a tour-quality subwoofer that can take abuse, you'll appreciate the STX828S's design. You get multi-ply birch/poplar construction, coated with DuraFlex for maximum protection. The hardwood cabinet isn't just strong, it reduces resonance for cleaner sound quality. And with a rugged 14-gauge steel grill protecting the woofers, you can be sure your STX828S is ready for virtually anything.

JBL's 100-hour power test
When you receive your STX828S passive subwoofer, it's already survived JBL's rigorous 100-hour power test. Each component and each system in the STX800 Series is subjected to 100 straight hours of continuous, high-level input. All JBL Professional products must pass the test before they can grace your venue, ensuring that you're receiving a reliable subwoofer that can take the real-world rigors that we all put our sound systems through.

JBL STX828S Passive Subwoofer Features:
  • Passive, dual 18" subwoofer with 4,000-watt RMS power rating at 4 ohms
  • Exceptional low-frequency response, 32Hz-250Hz
  • Maximum SPL of 138dB, sensitivity is 99dB (1W/1M)
  • DuraFlex enclosure finish protects the cabinet
  • 14-gauge steel grill protects the woofer
  • Multi-ply birch/poplar construction for incredible strength
  • 180 lbs.

Get tour-quality live sound at a great price with JBL STX828S passive subwoofer!
Specification Detail
Powered No
Power Configuration Mono-amped
LF Driver Size 2 x 18"
Power Amp Not Powered
Power Rating (Program) 4000W
Peak Power Capacity 8000W
Impedance 4 Ohms
Frequency Range 32Hz-250Hz (-10dB), 45Hz-120Hz (+/-3dB)
Maximum Peak SPL 99dB (1W/1M), 138dB Peak SPL
Enclosure Material Multi-ply Birch/Poplar
Mounting Options Floor Only
Inputs 2 x Speakon
Outputs No Outputs
Height 22.2"
Width 44.8"
Depth 27.9"
Weight 180 lbs.
Manufacturer Part Number STX828S

STX828S Image Gallery

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Be the first to review this product

Sweetwater Advice

Nick Church
For a very long time JBL have been innovators in the portable small/medium touring system PA market, whether it has been for new passive driver technologies or for their active system approach partnering with Crown amplifiers. The new 'STX' series of high power passive PA speakers continues this tradition of excellence. Unlike some other subwoofer enclosures that only produce an un-defined 'woof' of low frequency energy, these new STX828 dual 18" subs produce an articulate bass sound where you CAN hear individual notes, if they are present in the source material. They are capable of accepting large amounts of signal, and delivering seriously high SPL's, and sounding effortless when doing so. As one of my very happy customers put it: "I could not have been more pleased with the results. A ground stack of 1- STX 825 and 1-STX 828s powered by Crown XTI 4002/6002's per side easily serviced 300+ people with pristine clarity and warmth. Our national acts as well as regional ones were also very pleased with the reproduction and presentation the STX's provided of their sound. Over the course of 9 days 27 shows 18 setups/breakdowns the JBL STX's performed beyond even my high expectations. When your name/job is on the line it is nice to hear 'Wow, this sounds really amazing. Good job!' from major Nashville industry executives - That actually happened a few times. Bottom line, The JBL STX series delivers on all levels. - and even a bit more in my opinion.

I am amazed at the level of customer serivce I received for my first order. Great Job! The entire process was smooth and efficient. I also loved the candy touch. What a lovely treat!


Mary Ann, Point Pleasant Boro, NJ

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See Also: PA Subs , JBL , JBL PA Subwoofers

JBL STX828S

Today's Payment: $676.33
Includes $10 processing fee
Payment 2: $666.33
In approx. 30 days
Payment 3: $666.33
In approx. 60 days

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