Eminence Kappa Pro-15A Speakers - Eminence Kappa Pro 15A speaker. The Eminence Kappa Pro 15A is a 15" 8 ohm speaker. Kappa Pro-15A is a 500 watt RMS 15" cast frame woofer.
Amazon.com: Eminence American Standard Kappa-15A 15" Pro Audio Speaker, 450 Watts at 8 Ohms : Musical Instruments
15 inch Eminence Professional Series Replacement Speaker - Cast v.2 – Eminence Speaker, LLC