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.

 

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 enclosures

Specifications

Configuration Active Dual Subwoofer
Enclosure Type Bass-Reflex Line Array Subwoofer
Total Power Capacity 1100 W RMS
2500 W Peak
Amplifier Class Class-D

 

Drivers
HF Driver None
MF Driver None
LF Driver 2 x 18″ / 457.2 mm Woofer
LF Voice Coil Dual 3″ / 76.2 mm
Magnet Ferrite

 

Performance
Frequency Range 31 Hz to 100 Hz -10 dB
Frequency Response 39 Hz to 80 kHz -3 dB
Maximum SPL 140 dB (Peak)
Input Sensitivity +6 dBu
Max Input Level 21 dB
I/O Impedance XLR Line Input:
100 Kilohms

 

Connectivity
Audio I/O 2 x XLR 3-Pin Balanced Line Input/Output
Network I/O 2 x etherCON (Control/Network/Proprietary) In/Out
USB None
Wireless Connectivity None

 

Signal Processing
EQ Yes
Parametric EQ Yes
Semi-Parametric EQ None
Alignment Delay Yes
Phase Adjustment Yes
Digital Signal Processing Delay, FIR Filter (Adjustable via Optional Software)
Maximum Sampling Rate 48 kHz / 24-Bit

 

Power
AC Input Power 100 to 240 VAC, 50 / 60 Hz
AC Power Connector 1 x PowerCON TRUE1 Input
1 x PowerCON TRUE1 Output
Current Consumption 120 VAC:
4.8 to 18.2 A
240 VAC:
2.1 to 7.3 A

 

Physical
Mounting Integrated Rigging
Handles 2 x Each Side
Cooling Convection, Fan (Variable Speed), Heat Sink
IP Rating IP54
Construction Material Aluminum, Perforated Metal Grille, Plywood
Dimensions 47.4 x 26.8 x 22.2″ / 1204 x 680.7 x 563.9 mm
Weight 155 lb / 70.3 kg

 

 

Additional information
Brand

JBL

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