Recommended for vented professional audio enclosures for full-range or as mids, Impedance: 8 ohms, Power Rating: 450W, Maximum Power: 900W, Frequency Response: 40Hz-4kHz, Voice Coil Diameter: 3"" 76, 2mm, Depth: 6, 8"" 173mm, Coil Contruction: Copper voice coil, Magnet Composition: Neodymium magnet, Cone composition: Paper Cone, Nominal Basket Diameter:15"" 381mm, Sensitivity: 100, 8, Magnet Weight: 11 oz, Core Details: Vented core, Coil Former: Polyimide former SKU: TBAL5603