Here you have a Pandora Box 4S 680 in 1 Jamma Mutli Game Board.
I purchase these boards direct from the oem manufacturer in China (see CE certificate).
The Pandora box is an easy alternative to arcade gaming over the pc / raspberry pi emulation route.
NO frontend to build (build in front end)
NO complex encoders required with compatibility issues (requires std 6button Jamma harness)
EASY mounting with integral feet
** See my bartop kits for options to house your pandora!! **