Orders placed after 4PM on weekdays will not ship until the next business day. Orders placed after 11am Fridays will not ship until the following Monday.
Faster shipping methods may be available; just upgrade during checkout.
*Some exclusions apply.
Enter new zip code to refresh estimated delivery time.
This item's manufacturer/distributor usually ships within 7-10 business days business days (subject to availability). You will be charged as soon as the manufacturer receives the order. This item is noncancelable and nonreturnable.
PayPal Orders Payments processed using PayPal will be charged immediately (as opposed to when an order ships).
International Orders Payments for international orders will be charged as soon as the order is placed.
The JBL Professional SRX828S - Dual-18" Passive Subwoofer System is designed for concert, touring, or installed applications. With indexed feet for stacking in both standard and cardioid positions, 4800W peak-power handling, and a maximum SPL of 141 dB, the subwoofer is suitable for musicians, bands, DJs, PA, performance venues, corporate spaces, houses of worship, and more. The wide stance of the subwoofer is suitable for splaying top boxes. A variety of tunings and presets is available for Crown ITech HD and XTI 2 amps as well as the dbx VENU360 signal processor.
Includes JBL's patented Differential Drive technology using ferrite drivers with 3" voice coils
In the Box
JBL SRX828S - Dual-18" Passive Subwoofer System
Limited 5-Year Warranty
Table of Contents
Active or Passive
-10 dB: 30 to 150 Hz -3 dB: 47 to 150 Hz
4800 W Peak 2400 W Program 1200 W Continuous
Maximum Sound Pressure Level (SPL)
96 dB (1 W/1 m)
Low Frequency Driver
18 mm plywood
Accepts JBL WK-4S Kit
NL4 Input, NL4 Loop-thru (+/-1 or +/-2 Selectable)
Obsidian Duraflex™ finish
Powder-coated, Obsidian, 14-gauge perforated steel with acoustically transparent black cloth backing
26.79" x 47.42" x 22.57" (681mm x 1205mm x 574mm)
137.0 lbs (62.1g)
JBL SRX828S - Dual-18" Passive Subwoofer System Review