Discovery TX-500 Adapter
Fits 6 pin connection for MIC, PTT and Speaker/Headphone
by Bob W2ENY
The MIC (1) is wired for Electret (tip/sleeve), Headphone (4,6) for two ear (tip/ring, no sleeve/ground)
If you have dynamic mic (2), please let me know. Single ear with ground is not supported by the radio.
$45 includes shipping when paid by check or money order
Robert Langston
286 Hudson Street
Cornwall-on-Hudson, N.Y. 12520
Or you can pay with paypal, then you pay shipping
For sales shipping outside the US, please see my listing on ebay https://www.ebay.com/itm/233681738360
MIC/PTT/SPKR connection from the TX500 Manual: