Recommended for professional audio mid-bass applications in a small sealed or medium vented enclosure, Impedance: 8 ohms, Power Rating: 150W, Maximum Power: 300W, Frequency Response: 51Hz-4, 3kHz, Voice Coil Diameter: 1, 5"" 38, 1mm, Depth: 4, 73"" 120mm, Coil Contruction: Copper voice coil, Magnet Composition: Ferrite magnet, Cone composition: Paper Cone, Nominal Basket Diameter:12"" 304, 8mm, Sensitivity: 95, 6, Magnet Weight: 20 oz, Core Details: Vented and extended core, Coil Former: Polyimide former SKU: TBAL5572