Iso-Phones Shootout #1 - UltraPhones vs EX 29 Plus
UltraPhones are the highest isolation iso-phones on the market today. They are created by combining industry standard SONY 7506 Studio Monitor headphone components with a comfortable 29db 3M hearing protection muff. They improve your performance and protect your hearing by delivering a true 29db of passive isolation. Available only at GK-Music.com.