The image displays a JBL SRX725 Dual 15" 2-Way Loudspeaker.
Here's information about this product:
Description: It is a high-power, lightweight loudspeaker designed for live applications, featuring dual 15" Differential Drive woofers and a 4" voice coil neodymium compression driver.
Features: It offers a wide frequency range (37 Hz – 20 kHz), 75°x 50° coverage, and supports both bi-amplified or full-range passive operation.
Construction: The speaker features a durable 11-ply birch enclosure with a black DuraFlex finish and a 16-gauge steel grille.