Supreme Audio & Electronics Co. Ltd - Eminence Professional Series Kappa Pro -15A 15" Pro Audio Speaker, 500 Watts at 8 Ohms The Eminence Kappa Pro-15A speaker is recommended for pro audio in
Eminence KAPPA PRO-15A Pro Hi-Quality 15" Sub Woofer 8-Ohm 1000W Speaker -New- 876358000371 | eBay
Eminence KAPPA PRO-15A 15" Woofer | Full Compass Systems
15 inch Eminence Professional Series Replacement Speaker – Eminence Speaker, LLC