Eminence KAPPA-15LFA, American Standard Series Speaker, 15″Condition:* Used, In Very Good Condition. As Pictured.Additional Notes:* Low Frequency Woofer For Pro Audio in a Vented Mid-Bass or Bass Enclosure.* Also Suitable For Bass Guitar.* Nominal Basket Diameter: 15″, 381 mm* Nominal Impedance: 8 * Program Power: 1200 Watt* Watts: 600 Watt* Resonance: 39 Hz* Usable Frequency Range: 38 Hz – 2.7 kHz* Sensitivity: 99 dB* Magnet Weight: 95 Ounce* Gap Height: 0.375″, 9.5 mm* Voice Coil Diameter: 3″, 76 mmEminence KAPPA-15LFA