| DigiKey Part# | Description & DigiKey link | Purpose | Extra |
| P2H2503-ND | POT 50K OHM 12MM VERT MET BUSHIN | audio in/out volume knob | |
| M8616-ND | INDUCTOR HI CURRENT RADIAL 10UH | audio in noise reduction | |
| 399-3618-ND | CAP TANT 4.7UF 6.3V 10% RADIAL | audio in filter capacitor | |
| BC1148CT-ND | CAP .10UF 25V CERAMIC +80/-20% | audio in filter capacitor | |
| LMC6482IN-ND | IC OP AMP DUAL CMOS R-R 8-DIP | audio in filter op-amp | |
| BC1007CT-ND | CAP 33PF 50V CERAMIC C0G 5% | audio out filter capacitor | |
| 296-3011-5-ND | IC 12 BIT 2.5US DAC S/O 8-SOIC | audio out chip | |
| 220EBK-ND | RES 220 OHM 1/6W 5% CARBON FILM | MIDI interface resistors | |
| 6N138QT-ND | OPTOCOUPLER DARL SPLIT 8-DIP | MIDI optoisolator | |
| 275-1019-ND | CONN CIR DIN RECEPT RT ANG 5POS | MIDI jack | package |
| P2E9503-ND | POT 50K OHM 12MM VERT MET BUSHIN | control knobs | |
| SC1123-ND | CONN JACK PHONE 1/4" 3POS RA OPN | guitar/synthesizer input/output jacks | |
| BC1013CT-ND | CAP 100PF 50V CERAMIC C0G 5% | capacitor | |
| MCP3202-BI/P-ND | IC ADC 12BIT 2.7V 2CH SPI 8-DIP | input a2d converter (not used yet) |