Sennheiser Headphone Amplifiers

German audio company founded in 1945 in a farmhouse near Hanover, and one of the two or three most important headphone makers in history.

Founded: 1945 (founded as Laboratorium Wennebostel, shortened to Labor W)
Founder: Fritz Sennheiser
Headquarters: Wedemark, Lower Saxony, Germany
Manufacturing: Germany, Ireland and Romania
Parent company: Sonova (consumer division)
How to buy: Sold through specialist hi-fi dealers, online retailers and pro-audio dealers
Known for: Open-back headphones, the HD 600 series, the Orpheus, studio and stage microphones

Currently, we have 1 Sennheiser amplifier in our database. Below you can find the list with their main specs and links to their review pages.

Sennheiser Headphone Amplifier

	Model	Watts RMS (8Ω)	Amp Class	DAC	Phono
	HDV 820	-	-	Yes	-

About Sennheiser

Fritz Sennheiser founded the company in 1945 with seven engineers, and in 1968 it produced the HD 414, the first open-back headphone, which sold in the millions and created the category. The HD 600 line has been a studio and enthusiast reference since the 1990s. The Orpheus electrostatic systems, in 1991 and again in 2015, were built as statements of what was technically possible rather than as products with a market.

A doctor of engineering who started with seven colleagues in a farmhouse in Lower Saxony immediately after the war.

The yellow foam earpads of the HD 414 are as period-defining as the JBL orange grille, and Sennheiser microphones are standard equipment on stages and in broadcast worldwide.

The consumer audio division, including headphones and the AMBEO soundbars, went to the Swiss hearing-technology group Sonova - announced in May 2021 and completed in March 2022, with a perpetual licence to use the Sennheiser name on consumer products. Sennheiser electronic itself stayed family-owned and kept the professional and business-communications side.

Notable models: HD 414, HD 600, HD 800, Orpheus HE 1, MD 421 microphone, Ambeo soundbar.

Official Sennheiser website

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