The SRX818SP is an 18-inch powered subwoofer designed to reproduce low-frequency audio signals. It includes an integrated amplifier that provides power to the speaker driver, enabling standalone operation without the need for an external amplifier.

• Rugged Design
• Intuitive to Use
• Easy to Transport
• JBL Premium Transducers
• DriveCore Amplification by Crown
• User Configurable DSP
• 18" Subwoofer
• Network Control
• JBL Engineered Application Presets
• LCD Screen
• Glow in the Dark Ink on Back Panel
• Accepts JBL WK-4S Caster Kit
• M20 Threaded Pole Mount

System Type	Self powered 18” subwoofer
Maximum SPL (1m)	135 dB
Frequency Range (-10dB)	29 Hz - 150 Hz
Frequency Response (-3 dB)	35 Hz - 120 Hz
Amplifier Design	Class D
Power Rating	1000 W Peak
EQ	20 parametric EQs, speaker delay, 50 preset slots
Inputs	Neutrik ¼-inch XLR input; Neutrik XLR output
Outputs	2 x XLR
System Processing	DSP based, resident in Input Module