JBL Professional SRX828S 18-Inch Dual Passive Subwoofer System Sale 2025 Unisex

JBL Professional SRX828S 18-Inch 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.

Key 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

Technical Specifications

System Type
Passive dual 18”, subwoofer system
Maximum SPL Output
129dB (Continuous), 135dB (Peak)
Frequency Range (-10dB)
30hz – 150hz
Frequency Response (- 3dB)
47Hz – 120Hz
Sensitivity (1W/1m)
98dB
System Power Rating
4800W Peak, 2400W Program, 1200W Continuous
Nominal Impedance
4 Ohm
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
Finish
Obsidian Duraflex finish
Grille
Powder coated, Obsidian, 14-gauge perforated steel with acoustically transparent black cloth backing
Dimensions (L x W x H)
26.79″ x 47.42″ x 22.57″ (681mm x 1205mm x 574mm)
Weight
137.0 lbs (62.1g)