M5Stack Synth Audio MIDI Synthesizer Unit Built-in SAM2695 Audio Source Output

M5Stack MIDI Unit Serial to MIDI Unit 3.5nn Interface SAM2695 CH-Control & Audio

M5Stack MIDI Unit Serial to MIDI Unit 3.5nn Interface SAM2695 CH-Control + Audio

M5Stack Synth Audio MIDI Synthesizer Unit Built-in SAM2695 Audio Source Output

1PCS TI SN76477N SN76477NF DIP28 Audio Synthesizer IC

GE M/A-COM MASTR III 3 Station Repeater System Module RX Synthesizer 19D902781G5