Final B1 (Reference Price: ¥79,800) *Discontinued Featuring 1BA and 1DD drivers, this model delivers a pleasant, warm sound. It pairs well with vacuum tube amplifiers and was a perfect match for the Nunchaku and DX340 (AMP16). I purchased this for storage, but I am selling it due to the purchase of other equipment. ■ Purchase Date: Purchased new in October 2025. ■ Usage: Unused and unopened. ■ Shipping: Scheduled to be shipped via Rakuraku Mercari. ■ Product Introduction Sound quality design based on the relationship between "the sound field and dynamic range of music and the physical characteristics of earphones and headphones." The resolution of each instrument and vocal is extremely high, providing an overwhelming sense of presence and dynamism, as if standing in the center of a live stage. ■ Specifications Model Number: FI-B1BDSSD Housing: Stainless steel mirror finish (Rose Gold) Drivers: 1D + 1BA (Network-less) Connector: MMCX Cable: OFC Silver-coated cable Sensitivity: 94dB Impedance: 13Ω Weight: 36g