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Perfected for music lovers.
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Open sound in a closed design.
ellipse™ is a closed-back, over-ear headphone designed for focused, immersive listening.
It combines natural isolation with an open, spacious soundstage that never feels boxed-in. Bass is controlled and full, mids are clear and present, and highs remain smooth and extended — detailed without becoming sharp or tiring.
Careful acoustic design allows the driver to move naturally, creating a balanced presentation with real depth and space. The result is a sound that invites long listening sessions and often makes you rediscover albums you thought you knew.
Built from durable materials with replaceable pads and cables, ellipse™ is made for years of ownership. A unique link function allows two headphones to connect directly — making shared listening simple and immediate.
Winner of three international design awards, ellipse™ reflects Baum’s philosophy: creating products that inspire people to create and share music.
Yes. That's how we use it ourselves most of the time. ellipse™ drives easily from any standard source. No amp required. You plug in and it works.
So you can bring ellipse with you everywhere - when traveling, working or when you have the time to relax at home.
Wired is a deliberate choice. No battery, no compression, no dropouts.
Wired is simply a direct connection to your music.
Yes, of course. We offer a 30-day home trial, no questions asked. Full refund if it's not for you.
Besides the headphones, we also include a protective travel hard case, a 1.5m cable for everyday use, and a 3m cable for home setups.
Big 50mm drivers give you a wide, open sound to let you hear all the details.
Closed-back design blocks out the world around you. No distractions — just your music, exactly as it should sound.
Soft velour ear cushions and a balanced weight mean you forget you have them on.
Plug a second pair of ellipse directly into the first. Share a song, an album (or a movie) wherever you are.
Premium materials, replaceable ear pads, and a design that ages well. ellipse is made to stay with you for years.
Baum started in 2015 building guitars for musicians who care abou how music sounds and feels.
Try At Home — 30 days. Test ellipse in your own space with your own music. Not the right fit? Return within 30 days.

This is what it sounds like when musicians define the sound.
Most headphones are tuned in labs. The ellipse was shaped by musicians.
For over a decade, we have built instruments for working musicians, and that relationship goes both ways. When it came to designing the ellipse, we brought those same musicians into the process as collaborators. We asked them what a headphone should feel like to work with: what makes a sound huge, alive, worth coming back to. What makes you want to keep creating, and what makes you want to sit and just listen. That input defined everything about how the ellipse sounds.
The result is a headphone that doesn't colour your music. It reveals it.
Premium sound. Danish design. Built to last.
THE SOUND INSIDE.

Feel the beat.

More than you can hear.

Closed-back, passive isolation.

It's PLug and play
WHAT PEOPLE SAY.
From the people who own one.
Tobias B.
The sound is crystal clear with an amazing balance that makes every detail stand out. On top of that, the design is sleek and comfortable, making them a real pleasure to wear. Truly top-notch headphones — Baum did an outstanding job!
Renay N.
Aesthetics and quality are the first words that come to mind when I put on these headphones.
I have never experienced a sound like it. It’s all about the right balance, and with the Ellipse headphones, it has truly been nailed spot on.
The comfort is just the icing on the cake. The only feeling I can compare it to is the sensation of buying a brand-new, very expensive car. A luxurious experience!
Marc B.
Every pair of closed-back headphones I’ve tried before has sounded either unnatural, pushing the music right into your ears, or somewhat harsh.. But not the Baum Ellipse. These are different. They just sound right.
Bob R.
A new benchmark at $499, the best bass I've ever heard from any headphone. Tight, deep, no boom. And the isolation was astonishing, I was listening in bed with my wife right next to me reading, she could not hear it at all and I was playing them loud. That's a cool feature.
Ferencz S.
The best sounding headphones I ever had! The design is also beautiful! Congratulations to the designers! Thank you Baum!
Bernd S.
Now I can hear details I have never heard before.
Amazing.
This is going to be my favorite.
Chris V.
They’re super comfortable and most importantly they sound excellent. Perfect for late night jams without annoying the neighbours.
Jan M.
Surprisingly comfortable and incredibly good sound!
Thoughtful details make the difference.

Built like an instrument.

Comfortable to use. Easy to replace.

Share what you hear.

Details you'll feel.

WE BUILT THIS FROM THE INSIDE OUT.
Baum started as a guitar brand. We have spent over a decade building instruments for working musicians and learning, through that relationship, what sound means to the people who make it. When we decided to make a headphone, we started from there.
We asked the musicians what they want to hear, and what made a sound feel worth listening to.
ellipse is the result of those conversations.
DESIGNED FOR MUSIC. BUILT TO LAST.
Made for music lovers. Those who create it, and those who live inside it.
On paper first.
Morten has always drawn - from book illustrations to our instruments. The ellipse™ started the same way. Rough lines first, then more considered ones. Some stayed from the very first sketch. Others took a long time to get right.
Every part, modelled.
Once the drawing feels right, Morten takes it into 3D himself. Every joint, every curve, built piece by piece. A 3D file leads to a prototype. The prototype leads to changes. New files, new prototype. This went on until the ellipse™ became what it is today.
Defined by musicians.
We put it in the hands of musicians and let them use it properly. In sessions, in studios, in real work. What they heard, what felt off, how the materials held up. Some things we thought were right turned out not to be. The ellipse™ you can buy today came out of those conversations.
"Ellipse feels like a sensible first headphone from a brand with real musician DNA."

"The result is a headphone that delivers an immersive and balanced listening experience while embodying the understated elegance of contemporary Danish design."

Nothing irrelevant.
Ellipse specifications
ellipse is built with the same uncompromising attention to detail. Every component is chosen for a reason.
European · London · New York
Closed-back, over-ear
50mm dynamic neodymium
12Hz – 40,000Hz
32Ω
97 ± 3 dB
350 mW · Max 1500 mW
320g
2 × detachable cloth-braided (1.5m + 3m)
Dual-side, 3.5mm
Ultra-soft velour (replaceable)
Aluminium, brass, premium faux leather
Protective hard case + 2x cables
Designed in Denmark


