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JBL - SRX928S Dual 18-inch Powered Subwoofer front faceJBL - SRX928S Dual 18-inch Powered Subwoofer front face

JBL – SRX928S

JBL

Dual 18-inch Powered Subwoofer

Features

  • High-performance, high-density system solution in a truck-pack friendly format
  • High-power-handling transducers deliver low distortion, high fidelity, and class-leading output
  • Built-in, passively cooled Class D amplification with a universal power supply
  • Dual Ethernet ports with Neutrik etherCON connectors
  • Supports HARMAN HControl Ethernet
  • User-controllable DSP
  • LevelMax limiting uses sophisticated excursion-control algorithms to protect transducers
  • Rear-panel LCD provides complete access to control features
  • Reinforced 18mm plywood enclosure
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Description

The SRX900 Series embodies the advanced performance principles that drive JBL’s development of audio products that make a real difference in the world of professional audio. This next-generation family of powered line arrays and subwoofers addresses the growing need for scalable small and medium-format professional sound-reinforcement solutions for rental companies, fixed installations and musicians seeking the ultimate combination of performance and portability.

The SRX928S is a dual 18-inch active subwoofer designed to complement SRX900 full-range sound reinforcement systems. The sub¬woofer houses two JBL 2279-1 18-inch woofers, featuring Differential Drive® – JBL’s dual voice coil, dual gap technology – to deliver better heat dissipation, lower power compression, and wider dynamic range than conventional single-coil designs.

Built-in DSP and amplification offer a plug and play experience, while providing consistency and optimum performance anywhere in the world. The SRX928S incorporates a large central low frequency port design that improves airflow and reduces audible turbulence, even at high output levels. A new, full-featured software package gives users control of the system on various platforms, including Windows, macOS, and iPad OS.

Video

JBL SRX900 Series (2025 Update)

In this Technical Overview, we explore the JBL SRX900 Series powered scalable solution that combines exceptional sound quality, built-in amplification and DSP, and a complete ecosystem of rigging and transport accessories and supporting software.

Additional information

Frequency Range (-10dB)

31 Hz-100 Hz (Preset: 80 Hz)

Coverage Pattern

Omnidirectional or Cardioid

Maximum SPL

140 dB (Preset: 80 Hz)

System Type

Active Subwoofer

Amplifier Design

Class-D

Continuous Power Rating

1,100 Watts

LF Driver

(2) JBL 2279H-1, 18 in diameter, 8 ohms, dual 3.0 in diameter voice coil, ferrite Differential Drive®

Enclosure

18 mm plywood, Black DuraFlex finish, four integral recessed handles

Dimensions (H x W x D)

565 mm x 1,205 mm x 681 mm
(22.2 in x 47.4 in x 26.8 in)

Net Weight (each)

70.3 kg (155 lbs)

Downloads

Data Sheet Download
User Guide Download