Sennheiser Electronics was founded in Germany in 1945. Sennheiser has earned a stellar reputation in the microphone and headphone industries. Multitudes of recording facilities and artists throughout the world use Sennheiser microphones, and the company has dramatically increased its reach within the high end audio industry with its ultra high fidelity headphones.

Notable Sennheiser products include:
Sennheiser HD 800 audiophile headphones Sennheiser HD 205-II DJ headphones Sennheiser PX 100
HomeTheaterReview.com's Sennheiser product reviews include:
Sennheiser PX 100 Headphones Sennheiser Noiseguard PXC250 Headphones Sennheiser HD 205-II DJ Headphones
Similar to Sennheiser are companies such as Stax, Ultrasone, Denon, Audio Technica, and Grado.