Loved for its transparent, natural sound signature, the DT440 was a statement of premium sound in an era dominated by large, room-filling audio systems.

A Journey Through Headphone History
Located inside our Pleasuredome, the Headphone Museum is our tribute to the evolution of personal audio.
This collection isn’t just about nostalgia; it’s about honoring the innovation, craftsmanship, and milestones that shaped the way we experience music today. And the best part? Every set is open for listening, not just looking.
Plan your visit and discover the sound of the past, present, and future.
Get In TouchThe Headphones
1915-1920 – Nathaniel Baldwin
Created in the early 20th century, these headphones were built by Baldwin in his kitchen. Initially dismissed by commercial markets, the U.S. Navy recognized their potential, marking the beginning of personal audio history. Learn more →
1948 – Beyer DT48
One of the earliest dynamic headphones, the DT48 set the stage for the industry standard in audio fidelity and durability, making them a staple in professional and audiophile circles. Learn more →
1958 – Koss SP/3
Designed by John C. Koss, these were the world’s first stereo headphones, transforming personal listening from monophonic to a fully immersive stereo experience. Learn more →
1959 – AKG K50
One of the first lightweight on-ear headphones, showcasing AKG’s dedication to comfort and innovation in the growing hi-fi industry.
1965 – Beyer DT100
A staple in recording studios worldwide, this model remains a reliable choice for sound engineers and artists due to its durability and neutral sound.
1968 – Sennheiser HD414
The world’s first open-back headphones, designed to provide a more natural and airy soundstage, forever changing the headphone landscape.
1968 – Stax SR-3
A groundbreaking electrostatic headphone from Japan, introducing a level of detail and transparency that dynamic drivers struggled to match.
1974 – Pioneer SE700
Among the first piezoelectric headphones, these introduced an alternative driver technology that aimed for precise and detailed sound reproduction.
1976 – Beyerdynamic DT440
1978 – Jecklin Float PS2
One of the most unconventional headphone designs, these ‘floating’ ear speakers provided an incredibly open soundstage and unique listening.
1980s – Sony MDR-3L2
The lightweight headphones bundled with early Sony Walkmans, defining personal music on-the-go and revolutionizing portable audio.
1985 – Beyer DT990
An audiophile favorite, these open-back headphones provided a spacious and detailed sound, becoming a reference point for many high-end headphones today.
1990s – AKG K1000
Often referred to as ‘ear speakers’ rather than headphones, the K1000 provided a speaker-like listening experience with an unparalleled level of soundstage.
2001 – Apple Earbuds (1st gen)
The earphones that came bundled with the first iPod, symbolizing the shift to digital music and portable libraries.
2015 – Bragi The Dash (1st gen)
Among the first truly wireless smart earbuds, featuring in-ear biometric tracking and onboard storage for a futuristic listening experience.
The Sources
1979 – Sony Walkman TPS L2
The device that changed the way the world listened to music, making portable personal audio a reality.
1981 – Sony WM-2
1984 – Sony Discman D50
The first portable CD player, introducing the world to high-quality digital audio on the go.
2001 – iPod 1st Gen
Apple’s game-changing MP3 player that put ‘1,000 songs in your pocket.’
2012 – Astell & Kern AK100
A modern high-resolution audio player that elevated portable listening to a new level of clarity and depth.