Sennheiser HD-440 (c. 1993)
Not much is documented about the Sennheiser HD‑440. The one surviving period announcement lists it as the HD 440 II. Everything known comes from a short product notice in a February 1993 trade magazine.
That notice introduced the HD 440 II as new from Sennheiser's US office in Old Lyme, Connecticut. At $79, it was the least expensive full-sized headphone in the company's line at the time (Mix-Magazine, February 1993, p.99). No detailed specifications, production dates, or period reviews appear to have survived. The record is that single announcement.
- Designation in period announcement: HD 440 II
- Type: full-sized headphone
- Announced: February 1993
- Announcement price: $79
- Position at announcement: least expensive full-sized headphone in Sennheiser's line
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