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JBL SRX818S Passive 18" Subwoofer

JBL SRX818S Passive 18" Subwoofer

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List Price: $1,963.48
Product Price: $1,579.00
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Mfg Model SKU SRX818S
UPC Code 691991001659

Availability: Usually Ships in 1 to 2 Business Days

Product Code : SRX818S


JBL SRX818S Passive 18" Subwoofer

18" Passive Subwoofer System

SRX818S is a single 18” subwoofer for concert, touring, or installed use. Featuring a standard M20 pole cup for use with top boxes, indexing feet for stacking in both the standard and cardioid position, and a 136dB max SPL, the SRX818S 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 and XTI 2 amps as well as dbx VENU360 signal processors


  • Premium JBL Transducers
  • Rugged, versatile enclosures
  • Tunings available for Crown amps and dbx signal processors
  • Fully supported in Audio Architect
  • Power Handling: 2400W Peak, 1200W Program, 600W Continuous
  • Frequency Range: 28Hz-150Hz
  • Frequency Response: 45Hz-150Hz
  • Max SPL: 135dB
  • Amplification options: Passive
  • 2279 LF 8 Ohm 18” Woofer


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.


  • Live performance systems.
  • Mobile and fixed DJ systems.
  • Sound system rental and tour.
  • Permanent installations.

System TypePassive 18”, subwoofer system
Maximum SPL Output135dB
Frequency Range (-10dB)28hz - 150hz
Frequency Response (- 3dB)45hz - 150hz
Sensitivity (1W/1m)96dB
System Power Rating2400W Peak , 1200W Program, 600W Continuous
Nominal Impedance8 Ohm
ConnectorsNL4 Input, NL4 Loop-thru (+/-1 or +/-2 Selectable)
Operational ModesPassive
LF Driver2279H
Crossover Frequency80hz
Enclosure Material18mm plywood
Suspension/MountingM20 Threaded Pole Mount
CastersAccepts JBL WK-4S Kit
FinishObsidian Duraflex™ finish
GrillePowder coated, Obsidian, 14-gauge perforated steel with acoustically transparent black cloth backing
Dimensions (L x W x H)26.89" x 26.92" x 22.62" (683mm x 684mm x 575mm)
Weight78.0 lbs (35.4kg)
Shipping Weight88 lbs (40.2kg)

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