18" Dual Passive Subwoofer System

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.

Features

• Premium JBL Transducers
• Rugged, versatile enclosures
• Tunings available for Crown amps and dbx signal processors
• Fully supported in Audio Architect
• Power Handling: 4800W Peak, 2400W Program, 1200W Continuous
• Frequency Range: 30Hz-150Hz
• Frequency Response: 47Hz-150Hz
• Max SPL: 135dB (Peak)
• Amplification options: Passive
• 2x 2279 LF 8 Ohm 18” Woofer

Applications

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

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Specifications

System Type	Passive dual 18”, subwoofer system
Maximum SPL Output	129dB (Continuous), 135dB (Peak)
Frequency Response (-10dB)	30hz - 150hz
Frequency Response (-3 dB)	47Hz - 120Hz
Sensitivity (1W, 1m)	98dB
System Power Rating	4800W Peak, 2400W Program, 1200W Continuous
Nominal Impedance	4 Ohm
Inputs	NL4 Input, NL4 Loop-thru (+/-1 or +/-2 Selectable)
Operational Modes	Passive
LF Driver	(2x) 2279H
Crossover Frequency	80hz
Enclosure	18mm Duraflex coated plywood
Casters	Accepts JBL WK-4S Kit
Handles	8
Finish	Obsidian Duraflex™ finish
Grille	Powder coated, Obsidian, 14-gauge perforated steel with acoustically transparent black cloth backing
Dimensions (H x W x D)	681mm x 1205mm x 574mm (26.79in x 47.42in x 22.57in)
Weight	137.0 lbs (62.1g)
Shipping Weight	147.0 (66.5kg)