JBL SRX818S Passive Subwoofer System - 18in
SKU: 58834560352

JBL SRX818S Passive Subwoofer System - 18in

Sale price$1124.99 Regular price$1249.99
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Description

JBL SRX818S Passive Subwoofer System - 18inThe JBL Professional SRX818S 18" Passive Subwoofer System is designed for concert, touring, or installed applications. With a standard M20 pole cup for use with top boxes, indexed feet for stacking in both standard and cardioid positons, and a maximum SPL of 136 dB, the subwoofer is suitable for musicians, bands, DJs, PA systems, performance venues, corporate spaces, houses of worship, and more. A variety of tunings and presets is available for Crown

 

The JBL Professional SRX818S - 18" Passive Subwoofer System is designed for concert, touring, or installed applications. With a standard M20 pole cup for use with top boxes, indexed feet for stacking in both standard and cardioid positons, and a maximum SPL of 136 dB, the subwoofer is suitable for musicians, bands, DJs, PA systems, performance venues, corporate spaces, houses of worship, and more. A variety of tunings and presets is available for Crown ITech HD and XTI 2 amps as well as the dbx VENU signal processor.

 

Transducer Technology
Includes JBL's patented Differential Drive technology using ferrite drivers with 3" voice coils
Active or Passive Passive
Frequency Response -10 dB: 28 to 150 Hz
-3 dB: 45 to 150 Hz
Power Capacity 2400 W Peak 
1200 W Program
600 W Continuous
Maximum Sound Pressure Level (SPL) 135 dB
Nominal Sensitivity 96 dB (1 W/1 m)
Impedance 8 ohms
Crossover 80 Hz
Low Frequency Driver 2279H
Enclosure Material 18 mm plywood
Mounting M20 Threaded Pole Mount
Casters Accepts JBL WK-4S Kit
Input Connections NL4 Input, NL4 Loop-thru (+/-1 or +/-2 Selectable)
Handles 4
Finish Obsidian Duraflex™ finish
Grille Powder-coated, Obsidian, 14-gauge perforated steel with acoustically transparent black cloth backing
Dimensions 26.89" x 26.92" x 22.62" (683mm x 684mm x 575mm)
Weight 78.0 lb (35.4 kg)
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 58834560352

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Adam
Whiting, US
★★★★★ 5
Fine product
Size: 150 ml, Pack of 1
This one works
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Reviewed in the United States on May 24, 2026
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Palmetto Dan
Birmingham, US
★★★★★ 5
Works great!
Size: 150 ml, Pack of 1
This product works great for cleaning valves. Very effective formula that does the job well. Arrived quickly and was exactly as described. Would definitely buy again!
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Reviewed in the United States on May 2, 2026
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cb
Waukegan, US
★★★★★ 5
Molly valve cleaner
Size: 150 ml, Pack of 1
Put this in my truck with a RAM engine it was kind of running a little bit rough not really sure what was going on I thought I'd get this liquid Maui a try and she smoothed out some but you know who knows it could be all Hocus pocus
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Reviewed in the United States on May 23, 2026
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Amazon Customer
Bozeman, US
★★★★★ 5
Good product
Number of Items: 1
Bought to see if it would help with oil consumption. Good quality it seemed to help for first 1000 miles. Xc60 with over 140k
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Reviewed in the United States on April 24, 2026
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Arek
Fort Morgan, US
★★★★★ 5
Less oil consumption
Number of Items: 1
Made my engine noticeably quieter and felt smoother. Way less oil consumption then before definitely cheaper than topping off often
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Reviewed in the United States on May 19, 2026

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