Renowned sound engineer Michael Klvana chooses Ultrasone’s PRO 550 and PRO 900 headphones to record Crosby, Still & Nash’s summer tour

Tutzing, Germany - (July 1, 2009) – Ultrasone AG, is proud to announce that its PRO 550 and PRO 900 headphones will be used as reference headphones during the recording of Crosby, Stills & Nash’s 50 city summer tour. Celebrated sound engineer Michael Klvana will use the PRO 550 as his on-stage reference headphones while the PRO 900 will be utilized for backstage mixing.

“It’s a tremendous honor to have our headphones used in recording on the summer’s biggest tours,” commented Michael Zirkel, COO of Ultrasone AG. “Michael Klvana is one the industry’s predominant sound engineers, having him choose Ultrasone headphones for this project only speaks to the fact that we design some of the world’s most sonically accurate headphones.”

For additional information on Ultrasone’s PRO 550 or PRO 900 headphones go to www.ultrasone.com.