JBL VTX-S28

VTX series dual 18" subwoofers employ two 2269H 18" transducers featuring Differential Drive technology with two voice coils, two neodymium magnets and extremely high peak-to peak excursion capabilities to deliver extended very low frequency performance.

The VTX S28 can be suspended or ground-stacked and is cardioid-arrayable in either configuration for improved rear rejection. Compatible with VTX V25 suspension, S28 can be suspended at the top of V25 arrays to extend the effective low frequency line length, providing improved vertical pattern control combined with improved rear rejection when used in cardioid mode.

Alternatively, S28 arrays (cardioid or front-firing) can be suspended beside or behind V25 arrays. For theatrical sound design, S28 can be suspended in the middle of flown V25 arrays to facilitate balcony and floor coverage by allowing improved underbalcony penetration. Larger cardioid configurations are also effective where S28 is suspended or ground-stacked in multiple cardioid blocks, each block consisting of 3 enclosures (2 front-firing, 1 rear-firing).

Aluminium front baffles for reduced cabinet
JBL's patented Differential Driver
Patented JBL S.A.F.E.TM Suspension System
Crown VRack DSP and Amplification
JBL HiQnet Performance ManagerTM System

System Type	Full Size Suspendable, Cardioid-Arrayable, Dual 18" Subwoofer with Ultra Long Excursion Transducers
Components	2 x 2269H Differential Driver 18"
Frequency Range (-10 dB)	24 - 400 Hz
Frequency Response (±3 dB)	27 - 300 Hz
Sensitivity (1W/1m)	96 dB
Nominal Section Impedances	2 x 8 ohms
Continuous Power Rating	4000W
Dimensions (W x H x D)	1222 mm x 493.3 mm x 926.5 mm (48.1" x 19.4" x 36.5")
Weight	83.0 kg (183 lb)