2 layers80 × 10.2 mmMicwerediver/micA phantom-powered balanced electret microphone interface26 parts2
2 layers100 × 90 mmCurrent dr ampwerediver/current-dr-ampA current drive headphone amplifier83 parts7
2 layers100 × 155 mmCurrent dr psuwerediver/current-dr-ampA current drive headphone amplifier82 parts7