ULTRASONE Signature FUSION OB
ULTRASONE
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Description / ULTRASONE Signature FUSION OB
The ULTRASONE Signature FUSION Open Back takes the acclaimed Signature FUSION platform into the realm of open-back performance, combining refined German engineering with immersive sound and professional-grade detail retrieval. Designed for audiophiles, music lovers, and studio professionals alike, this model delivers expansive soundstage depth, precise imaging, and high-resolution audio reproduction across the frequency spectrum.
45 mm Titanium-Plated Mylar Drivers
Equipped with newly developed 45 mm titanium-plated Mylar drivers, the FUSION OB offers deep, powerful bass with minimal distortion. This expressive sound signature remains engaging across multiple genres, from acoustic and classical to rock and electronic.
Design & Accessories
Designed for extended use, the Signature FUSION OB features leather ear pads and a breathable mesh headband for comfort, even during long sessions.
The headphone package includes multiple cables, such as a coiled cable, straight cable, and cable with 4.4mm balanced connection. A hard case is also included for protection and portability.


Product Inclusions
| Driver | 45 mm driver, titanium plated mylar with NdFeB magnets |
| Frequency response | 8-40,000 Hz |
| Impedance | 32 Ohms |
| Weight | 290 grams |
| Sound system | S-Logic 3 sound system |
| Earpads / Headpad Materials | Micro-alcantara |
Specifications
- Signature FUSION OB Headphones
- Signature carry case
- 1.4m Silver plated balanced cable with gold plated 4.4 mm metal plug
- 1.2m OCC straight cable with gold plated 3.5 mm metal plug, gold plated
- 3m OCC straight cable with gold plated 6.35 mm metal plug