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Listening at homeHome › Headphones
Unique Melody Umbral Open-Back Headphones
Unique Melody’s first full-size headphone: a 96 mm planar driver and a MEMS tweeter in walnut cups. Limited to 99 units worldwide.
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Umbral is open-back: the cups let air and sound move freely, so music sounds wide and natural, closer to a pair of speakers than to sound inside your head.
Inside each walnut cup sits a 96 mm planar magnetic driver for fast, tight bass, plus a MEMS tweeter that reaches up to 80 kHz for lively, extended treble. The frame is carbon fibre, and two pad sets let you tune comfort and sound.
Umbral is made for home listening with a desktop amplifier, and for collectors: only 99 are made worldwide.
Umbral at a glance
| Type | Open-back, full-size |
|---|---|
| Drivers | 96 mm planar magnetic + MEMS tweeter (up to 80 kHz) |
| Build | Walnut cups, carbon-fibre frame |
| Pads | Two interchangeable sets |
| Plugs | 6.3 mm, 4.4 mm balanced or 4-pin XLR |
| Edition | Limited to 99 units worldwide |
| Warranty | 2 years |
Questions
Do I need a headphone amplifier?
We recommend one. Umbral is made for home listening with a desktop amplifier.
Which plug should I choose?
6.3 mm fits most home amplifiers. Choose 4.4 mm balanced or 4-pin XLR if your amplifier has a balanced output.
Is Umbral noise cancelling?
No. It is open-back, so sound passes in and out by design. It is made for quiet rooms.
Are these headphones hearing protection?
No. For protection from loud noise, use BOLLSEN earplugs such as Music SoundPRO or WorkPRO.
What warranty do I get?
Two years, from BOLLSEN.
