SRX828S is a dual 18” subwoofer for concert, touring, or installed use. Featuring a wide stance for splaying top boxes, indexing feet for stacking in both the standard and cardioid position, and a 141dB max SPL, the SRX828S is an ideal solution for musicians, bands, and DJs, concert use, public speaking, or installations such as performance venues, corporate spaces, educational facilities or houses of worship. Tunings and presets are available for Crown ITech HD.
Every detail in the SRX800 Series was purposefully designed and thought through with full consideration for its intended use. Ergonomically designed handles support an easy, non-fatiguing grip for streamlined handling. M10 suspension points, indexed feet, and pole/tripod mounts support a wide, flexible array of configurations.
JBL’s patented Differential Drive® Technology ferrite drivers incorporate 3" voice coils with lower mass ferrite magnets for reduced weight, increased power handling, exceptionally low distortion and extended low frequency response. JBL’s 2432H is the only neodymium 3" voice coil compression driver in this class, delivering very high power levels and smooth, crystal clear sound.
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| System Type | Passive dual 18”, subwoofer system |
| Maximum SPL Output | 129dB (Continuous), 135dB (Peak) |
| Frequency Range (-10dB) | 30hz - 150hz |
| Frequency Response (-3 dB) | 47Hz - 120Hz |
| Sensitivity | 98dB |
| System Power Rating | 4800W Peak, 2400W Program, 1200W Continuous |
| Nominal Impedance | 4 Ohm |
| Inputs | NL4 Input, NL4 Loop-thru (+/-1 or +/-2 Selectable) |
| Operational Modes | Passive |
| LF Driver | (2x) 2279H |
| Crossover Frequency | 80hz |
| Enclosure | 18mm Duraflex coated plywood |
| Casters | Accepts JBL WK-4S Kit |
| Handles | 8 |
| Finish | Obsidian Duraflex™ finish |
| Grille | Powder coated, Obsidian, 14-gauge perforated steel with acoustically transparent black cloth backing |
| Dimensions (H x W x D) | 681mm x 1205mm x 574mm (26.79in x 47.42in x 22.57in) |
| Weight | 137.0 lbs (62.1g) |
| Shipping Weight | 147.0 (66.5kg) |
Deluxe padded cover for SRX828SP, water resistant black nylon exterior, 2.5mm polyethylene grille protector, covered handle access with Velcro closure, with embroidered JBL logo.
Deluxe padded cover for SRX828SP, water resistant black nylon exterior, 2.5mm polyethylene grille protector, covered handle access with Velcro closure, with embroidered JBL logo. Designed to accommodate WK-4S rear-mounted caster kit (sold separately).
Gas Assist Speaker Pole with M20 Threaded Lower End, 38mm Pole & 35mm Adapter. The JBLPOLE-GA is the easiest speaker stand to use thanks to the internal pneumatic shock that literally raises the speaker for you. The stand’s internal shock easily raises speakers weighing 35 lbs and less with no effort from the user.
JBL pole Gas Assist
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JBL pole Gas Assist detail
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JBLPOLE-GA Data Sheet
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Manual Adjust Speaker Pole with M20 Threaded Lower End, 38mm Pole & 35mm. The JBLPOLE-MA features an amazing height adjustment collar that features an ergonomic “Z” knob that provides comfortable adjustment. The strongest fitting made, the height adjustment collar prevents over- tightening and breakage issues associated with all plastic designs.
JBLPOLE-MA Data Sheet
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JBL pole Manual Adjust
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JBL pole Manual Adjust Detail
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JBLTRIPOD-GA Data Sheet
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JBL Tripod Gas Assist Closed
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JBL Tripod Gas Assist Closed Extended
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JBL Tripod Gas Assist Open
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JBL Tripod Manual Adjust Open
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Aluminum Tripod Speaker Stand with Secure Locking Pin and 150 lbs Load Capacity. To assist you in lifting your speaker, we’ve added a durable Lift Ring on the telescoping tube to give your upper hand something to push against when raising the speaker to the desired height.
JBLTRIPOD-MA Data Sheet
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version B,
updated: Aug 2025
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