List of components - Microphone pcs semiconductors 1 IC1 OP113E smd SOIC-N 8pins (or OP113F) pcs capacitors 2 C3, C6 0.1uF (100nF) ceramic THT 5mm 2 C1, C4 1uF ceramic THT 5mm 1 C5 3.3uF/16V tantal electrolyt THT 2.5mm 1 C2 220uF/16V electrolyt axial THT max 23mm pcs resistors 1 R2 47R/204 THT 5mm 1 R3 680R/204 THT 5mm 1 R1 2.2k/204 THT 5mm 2 R4, R5 33k/204 THT 5mm 1 R6 10k/trimmer THT CA6V pcs connectors and switches 1 con-mic RJ45 plastic/hole parallel with PCB (see the pictures) 3 CH-up, CH-dwn, FN Omron momentary switch 6x6mm + round button 6mm 1 PTT Omron momentary switch 90deg. 6x6mm + round button 6mm pcs others 1 MIC1 Electret mic cartridge with 2 pins