NIB Vintage 1991 Apple Computer Microphone 699-5103-A NOS SEALED NIP NEW

Up for sale is a rare piece of computing history: a brand new, unused 1991 Vintage Apple Computer Electret Condenser Microphone. This is true New Old Stock (NOS) in its original iconic vintage retail box.  Originally shipped as an accessory for early 1990s Macintosh computers like the Mac LC, IIsi, and Classic II, this circular disc microphone is a must-have for Apple completionists, collectors, or retro-computing enthusiasts looking to complete their period-correct setups.   Condition Notes:  Item Status: New Old Stock (NOS) / New in Box.  Box Condition: Excellent vintage condition with crisp graphics, straight edges, and minimal storage wear (please inspect photos for exact cosmetic details).   Contents: Internal microphone remains completely pristine, factory-wound, and has never been deployed.   Technical Specifications:  Type: Omnidirectional Electret Condenser  Frequency Response: 100 Hz – 10 kHz  Interface: 3.5mm (1/8) audio plug   Country of Manufacture: Made in Japan   What’s Included:  Original 1991 Apple Microphone retail box  Vintage Apple circular microphone with integrated 6-foot cable  Original adhesive-backed monitor mounting cradle (inside package)   Please note: Due to the age of this item, it is sold as a collector's piece. If you intend to use it on modern systems, ensure your hardware/line-in setup supports early 90s vintage Apple low-impedance audio signals.