18" Dual Passive Subwoofer System

$1,599.001599.0 each

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Ultimate performance without compromise

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 and XTI 2 amps as well as dbx VENU360 signal processors.

Item# SRX828S

General Specifications

System Type Passive dual 18”, subwoofer system
Maximum SPL Output 141dB
Frequency Range (-10dB) 30hz - 150hz
Frequency Response (- 3dB) 47hz - 150hz
Sensitivity (1W/1m) 96dB
System Power Rating 4800W Peak, 2400W Program, 1200W Continuous
Nominal Impedance 4 Ohms
Connectors NL4 Input, NL4 Loop-thru (+/-1 or +/-2 Selectable)
Operational Modes Passive
LF Driver (2x) 2279H
Crossover Frequency 80hz
Enclosure Material 18mm plywood
Casters Accepts JBL WK-4S Kit
Handles 8
Grille Powder coated, Obsidian, 14-gauge perforated steel with acoustically transparent black cloth backing


Length 26.79 in (681 mm)
Width 47.42 in (1205 mm)
Height 22.57 in (574 mm)
Weight 137.0 lbs (62.1 kg)
Shipping Weight 147.0 lbs (66.5 kg)


Finish Obsidian DuraFlex™ finish
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Spec Sheet (EN)

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