NX Audio Vulcan-218SW Dual 18inch Subwoofer Enclosure

Application: Ground-stacked concert bass, festival low-frequency reinforcement.
Key Features: Loaded with dual 18inch sub transducers (4.5inch VC), heavy multilayer birch plywood cabinet, durable textured polyurea coating.
Specifications: 3600W RMS / 7200W Program, 140dB Peak SPL, 4 ohms, frequency response down to 34Hz.