The Tullamore Factory
Since its foundation in 1990, our factory in Tullamore, Ireland, has played an essential role in transforming our engineers' ideas and specifications into reality. Tullamore is the origin of some of our finest hi-fi transducers and the final point of assembly for our audiophile headphones, all the way up to the world’s best headphones, the HE 1. With the opening of our new Audiophile Experience Center in 2023, we offer selected visitors an exclusive insight into the heart of our audiophile production.

Sennheiser Stories – Meet our experts
We have more than 100 highly specialized colleagues working in Tullamore.
They work with dynamic transducer production and audiophile headphone assembly. The latter is an almost artisan process which requires human interaction, focus and intensity.
It takes a lot of time and attention to detail from the very first assembly of the transducers right through to the packaging of the finished headphones. The goal is to build the best headphones
in the world. Click on the videos below to meet some of our
Tullamore colleagues.
Meet Lisa, Production Supervisor
Meet Paul, Technician
Meet Hannah, Team lead of HD 600 area

The Legend Reborn – HE 1
Equipped with unique features and state-of-the-art technology, the HE 1 headphones transform music from something you listen to, into something you live in.
Since 2022, our Tullamore factory is the home of the HE 1 and the laboratory where the magic comes alive is part of our Audiophile Experience Center tour.
Behind the scenes of the HE 1 production
It takes more than a week for our technician, Damian, to assemble the best headphones in the world. During this meticulous assembly process, more than 6000 pieces need to fit perfectly into their Italian Carrara marble housing. We asked Damian to invite us into his laboratory and share the assembly process. Click on the video to see how the HE 1 is made.FAQ
It is an initiative to give our visitors a unique look into the manufacturing of our audiophile products. As a leading manufacturer within this category we know that our community is deeply interested in seeing details of the production processes. In our Audiophile Experience Center, we would like to lift this secret curtain and invite our fans to dive into the magic of craftmanship at its best.
The visit includes transfer to and from Tullamore, local hotel accommodation, a guided tour to the various production areas of the factory as well as a listening session in our new listening room. Here, our guests can test and compare our audiophile headphones, including the HE 1. The visit will also include plenty of fun surprises and Irish hospitality at its finest.
In order to not disturb production processes in the factory, our Audiophile Experience Center in Tullamore is not open for regular visits. Once every month, a small selected group of guests is invited exclusively. Please join the Sennheiser community follow us on our Social channels to not miss out the outstanding opportunity to win rare tickets for a vitis in our Audiophile Experience Center!
Explore our Audiophile Products
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All Audiophile Headphones IE 900¥214,500
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All Audiophile Headphones 10/4-10/10限定セール HD 800 S¥257,400 ¥201,080
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All Audiophile Headphones HD 820¥319,000