Product Highlights

Versatile Rigging Options: Integrated three-point rigging system for suspended or ground-stacked configurations.
High-Power Amplification: Built-in 2,500W Class D amplifier achieving a maximum SPL of 134dB.
User-Controllable DSP: Includes LevelMax limiting, 24 user-adjustable filters, and 2,000ms of delay for precise audio control.
Differential Drive Technology: JBL's patented dual voice coil, dual gap technology for better heat dissipation and lower power compression.

Overview

The JBL SRX918SF is a powerful 18-inch powered flyable subwoofer designed to deliver exceptional low-frequency performance in both suspended and ground-stacked configurations. This subwoofer is part of the SRX900 Series and is engineered to complement full-range systems with its transparent, linear LF response down to 35Hz. The SRX918SF houses a JBL 2279-1 18-inch woofer featuring Differential Drive® technology, which ensures better heat dissipation, lower power compression, and wider dynamic range compared to conventional designs. The built-in 2,500W Class D amplifier achieves a maximum SPL of 134dB, providing ample power for demanding applications. The subwoofer also includes user-controllable DSP with LevelMax limiting, 24 user-adjustable filters, and 2,000ms of delay, allowing for precise control and customization. The reinforced birch plywood cabinet and integrated three-point rigging system ensure durability and flexibility in various setups

What's in the Case?

12″ Male Edison to Female Powercon True1 Adapter

Specifications

Frequency Range (-10dB)	35 Hz -100 Hz
Coverage Pattern	Omnidirectional or Cardioid
Maximum SPL	134 dB
System Type	Active Subwoofer
Amplifier Design	Class-D
Continuous Power Rating	1,100 Watts
LF Driver	(1) JBL 2279G-1, 18 in diameter, 4 ohms, dual 3.0 in diameter voice coil, ferrite Differential Drive®
Enclosure	Exterior grade birch plywood, Black DuraFlex finish
Dimensions (H x W x D)	575 mm x 710 mm x 683 mm (22.6 in x 28.0 in x 26.9 in)
Net Weight (each)	54.4 kg (120 lbs)