Regular price $250.00

Designed and developed by Thomas Daede, the TD-IO is a 0 lag, feature-rich JVS JAMMA I/O to use with arcade hardware such as the Sega Naomi and the exA Arcadia system.



- JVS to JAMMA video converter compatible with all monitors

- Mono/stereo audio amplifier for driving JAMMA speakers, including a Taito Egret 2 “S” stereo speaker header

- JVS power connector providing 3.3V via an on-board converter

- Chainable JVS I/O implementing a 2L12B panel and coin inputs

- High reliability, low heat generation, and all-solid-state caps

- Upgradeable firmware


Comparison with other JVS I/O solutions:

  TD-IO CAPCOM I/O Sega 838 exA I/O
Lag (frames) 0 1 0 0
JVS Chaining ✔️ ✔️ ✔️
Video ✔️ ✔️ ✔️
Audio Amp ✔️ ✔️
3.3V Power ✔️ ✔️
Amplified Stereo ✔️

For more details please visit the TD-IO GitHub page at:

What’s Included:

  • TD-IO ver. 1.4
  • Mounting feet
  • No cables included 

Additional Disclaimers:

- Use this device at your own risk! The creator is not responsible for damages that occur to your hardware due to the incorrect installation of this product.

- Please unplug and power off your arcade cabinet or JAMMA setup before installing the TD-IO or switching game PCBs.

- Be sure that TD-IO is not resting against a metal surface. It is important to avoid electrical short circuits for the safety of you and your equipment.