The EAW SB250zP is a high-output dual 15-inch subwoofer system designed for permanent installation in professional audio applications. This vented enclosure subwoofer delivers maximum low-frequency performance with 36-150 Hz frequency response and 139 dB maximum SPL (half space). Featuring Baltic birch plywood construction with wear-resistant finish, it handles 1050W at 4 ohms nominal impedance with omnidirectional 360° dispersion. Optimized for external DSP processing, it's engineered for demanding installations including houses of worship, auditoriums, theaters, hotel ballrooms, and cinemas where robust low-end reproduction is essential.