Ultrasone Signature FUSION OB Final Edition
Signature Series - open-back professional
HeadphonesPrice not published
Specifications
- Type
- Headphones
- Description
- Signature Series - open-back professional
- Topology
- dynamic (S-Logic3)
- Signal path
- Analog
- Channels
- 2
- Channel format
- stereo
- Form factor
- over-ear
- Powered
- no
- Drivers
- 45mm dynamic driver, graphene GSS diaphragm
- Frequency response
- 8 Hz - 40,000 Hz
- Sensitivity
- 98 dB SPL (rated)
- Impedance (Ω)
- 32
- Back design
- open ("OB" = open-back; product page also describes as semi-open)
Details
I/O: Detachable screw-on cable; 5 cables included: 1.2m (3.5mm TRS), 3.0m (6.35mm TRS), 2.0m coiled (6.35mm Neutrik), 1.4m balanced (4.4mm TRRRS), 4.0m extension (3.5mm TRS)
Notes: FLAG: uses S-Logic3 (prior-generation, not the newer S-Logic5). FLAG: open-back - audiophile-leaning. Part of current (as of research date) Signature/Professional Series lineup alongside the new 2026 QUANTUM/MASTER PRO/AERO/RAYVO models. FLAG: EUR-only pricing, EUR 399 incl. 19% VAT (price_usd left blank). Year introduced not stated on product page - left blank.