Recommended for professional audio as a mid-bass or vocal wedge in a sealed enclosure. Also suitable as a mid-bass or woofer in vented enclosures. SPECIFICATIONSNominal Diameter: 15", 381.0mmNominal Impedance: 8 ohmsPower: 400w rms, 800w programFreq. Response: 48.0 Hz-4.0 kHzSensitivity: 100 db... See More