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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M. Chulick
Phoenix, US
★★★★★ 4
Delivered quickly
Size: 16 Fl Oz (Pack of 1), Style: Individual
Just trying to keep my small engines running with this awful California fuel
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Reviewed in the United States on December 4, 2025
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Shopper scott
Carnegie, US
★★★★★ 5
Good buy
Fit great. I have a toro 7.25 Brigs & Stratton 21 icnh rececyler. Mower started up great
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Reviewed in the United States on May 8, 2026
R
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Robert Edwards
Dallas, US
★★★★★ 5
Good Product
Works great
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Reviewed in the United States on April 26, 2026
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MARC FOSTER
Alexandria, US
★★★★★ 5
Worked perfectly
Excellent product
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Reviewed in the United States on April 26, 2026
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KT
Port Orchard, US
★★★★★ 4
Check the gap!
Plugs work great. I will say for those reviews saying they got a dud. CHECK THE GAP!!! Both plugs were not at 0.030 as advertised. I gapped the plug and it worked perfectly.
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Reviewed in the United States on April 7, 2026

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