Cleanly breaks out TI‑99/4A audio for F18A and Pico9918 users. Plugs into the DIN‑5 port and delivers a dedicated audio + ground output for modern setups. Supports PC speaker or RCA connections, giving you an easy, reliable way to route TI audio to today’s displays, speakers, or capture gear.

Beige original TI-99/4A keyboard (NOS)

Upgraded video card for the TI-99/4A, completely backwards compatible with the TMS9918, added all additional graphics modes of the V9938 and a full implementation of the F18A GPU!

MX99 Keyboard — A Modern Mechanical Upgrade for the TI‑99/4A