• Purposeful design
• Transducer technology
• JBL professional tunings available

Ultimate performance without compromise

SRX818S is a single 18” subwoofer for concert, touring, or installed use. Featuring a standard M20 pole cup for use with top boxes, indexing feet for stacking in both the standard and cardioid position, and a 136dB max SPL, the SRX818S 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.

Design:
• FinishObsidian DuraFlex™ finish

Features:
• Single-angle top pole-mount socketYes
• JBL professional tunings and presents availableYes

• System Type: Passive 457mm, subwoofer system
• Maximum SPL Output: 135dB
• Frequency Range (-10dB): 28hz - 150hz
• Frequency Response (- 3dB): 45hz - 150hz
• Sensitivity (1W/1m): 96dB
• System Power Rating: 2400W Peak , 1200W Program, 600W Continuous
• Nominal Impedance: 8 Ohms
• Connectors: NL4 Input, NL4 Loop-thru (+/-1 or +/-2 Selectable)
• Operational Modes: Passive
• LF Driver: 2279H
• Crossover Frequency: 80hz
• Enclosure Material: 18mm plywood
• Suspension/Mounting: M20 Threaded Pole Mount
• Casters: Accepts JBL WK-4S Kit
• Handles: 4
• Grille: Powder coated, Obsidian, 14-gauge perforated steel with acoustically transparent black cloth backing
• Power Rating (W, Continuous): 600
• Power Rating (W, Peak): 2400
• Frequency Range Hz (-10 dB): 28 - 150
• Frequency Response Hz (±3 dB): 45 - 150
• Sensitivity (dB SPL 1w/1m): 96
• Nominal Impedance (ohms): 8
• Maximum SPL (peak dB): 135

Dimensions:
• Height (mm): 575.0
• Width (mm): 684.0
• Depth (mm): 683.0
• Weight (kg): 40.2

JBL SRX818S 
18" Passive Subwoofer System
JBL Professional  JBL Pro