New Sega Genesis compatible gamepad modified for the Commodore 264 series. The chip inside the gamepad has been disconnected and a Commodore 1341 joystick lead has been connected directly to the gamepad buttons. All the 7 buttons (A, B, C, X, Y, Z, and START) act as a fire button.
An internal CD AUDIO IN / AUX IN port for the Plus/4. You can use a standard CD-ROM drive audio cable to connect an external audio source to Plus/4. The external audio signal is mixed with the TED sounds. Plus/4 before and after the modification.