It is designed to deliver powerful, low-frequency sound reproduction for professional audio applications.
The speaker has "Light Weight Heavy Duty" text on an orange tag in the image.
It appears to be a passive model, as no powered inputs or controls are clearly visible in the main image.
Similar EV subwoofers often feature an 18-inch woofer and high power handling capabilities, such as 600W continuous power (2400W peak) or 1200W/1600W peak power.