Fostex's Model T60RP stereo headphones is the latest in a long line of RP diaphragm headphones, a line that stretches back to the 1970's. Featuring Fostex proprietary Regular Phase (RP) technology diaphragms for supreme accuracy in monitoring. The new T60RP introduces beautiful, stylish mahogany housings and comfortable low-repulsion ear pads, as well as an optional balanced headphone connection to deliver even more brilliant and crisp audio reproduction.