JBL Professional 3181F - 18" Professional Cinema Subwoofer (4 Ω, 650 W)

The JBL 3181F cinema subwoofer, part of the JBL Cinema Series, delivers the fidelity and performance synonymous with the JBL name at a competitive price for cost-conscious theater owners looking to deliver a premium sound experience. Features? The shallow depth of 14.97 inches (355 mm) saves space behind screens? Connectors are mounted on the top of the cabinet to preserve the minimal depth.? Integrated mounting points facilitate wall mounting for surround sound installations such as Dolby Atmos and DTS:X? Link input connectors are compatible with other JBL cinema speakers and are easy to wire? The size matches the JBL 3153 and 4253 display speakers and the C200 cinema speaker series to create complete system solutions.? Impedance of 4 Ohms, Can be operated with Crown XLC series amplifiers.? Power rating of 650W? Maximum SPL of 132 dB? Frequency response: 30 Hz?500 Hz (-10 dB) (4?)