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 15" Sub Woofer 500 W RMS 8 ohm 101dB Speaker | eBay