HP-F303NV
Variants: HP-F303NC, HP-F303NS (speaker bundle packs), HP-F303KV (inline volume control)
Year: 2014
Frequency Response (Hz): 20-21,000
Sensitivity (dB/mW) : 102
Impedance (Ohms):32
Review / Info: Specs are based on the HP-F303NS variant. In addition, it has been surprisingly difficult to find a first-year production date. Purely off speculation, I would guess the early 1990s, but verified dates only go back to 2014…