JBL SRX928S Dual 18-Inch Powerhouse Subwoofer
Enhance your sound experience with the SRX928S! This dual 18-inch active subwoofer is perfect for complementing SRX900 full-range sound reinforcement systems. It features Differential Drive technology for better heat dissipation, lower power compression, and wider dynamic range.
Features:
- • High-performance, truck-pack friendly solution for powerful bass
- • High-power transducers for low distortion and top-notch output
- • Built-in Class D amp with universal power supply for convenience
Specifications:
- • 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)








The JBL SRX928S Dual 18-Inch Powerhouse Subwoofer is a must-have for music enthusiasts and professionals alike. Ideal for live events, clubs, and venues, it provides powerful bass to enhance your audio experience. With its high-performance features and user-friendly design, it's perfect for anyone looking to take their sound to the next level. Measuring 565 mm x 1,205 mm x 681 mm and weighing 70.3 kg, it's easy to transport and set up.