Thorsten Reuber

DPA Microphones A/S manufactures condenser microphones and surround solutions. The firm offers recording, handheld and headset microphones, surround solutions, digital audio interfaces, and instrument microphones for body worn. The company was founded by Ole Brøsted Sørensen and Morten Stove in 1992 and is headquartered in Allerod, Denmark.

WARNER MUSIC Group Germany Holding GmbH engages in the recording and distribution of music. The company was founded on June 4, 2003 and is headquartered in Hamburg, Germany.

Amazon.de GmbH provides online retail shopping services. It sells new and used books, CDs, videos and DVDs, home & garden products, consumer electronics, toys, video games, software, and computer supplies. The company was founded in 1998 and is headquartered in Munich, Germany.

Lautsprecher Teufel GmbH engages in the production, marketing, and distribution of audio speakers. Its product portfolio includes floor-standing and wall speakers, subwoofers, receivers, stereo amplifiers, soundbars, WLAN radios, and gaming headsets The firm also offers accessories such as cables, speaker stands, bags, wall brackets, and remote control units. The company was founded by Peter Tschimmel in 1979 and is headquartered in Berlin, Germany.