"#","Reference","Qty","Value","Footprint","DNP" "1","BT1","1","9V Battery","","" "2","C1, C2, C3, C4, C5, C6","6","2.2 µF","Capacitor_THT:CP_Radial_D4.0mm_P2.00mm","" "3","J1","1","OPAmp","Package_DIP:DIP-8_W7.62mm_Socket","" "4","J2","1","AudioJack2_Ground_Switch","Connector_Audio:Jack_3.5mm_CUI_SJ1-3525N_Horizontal","" "5","L1, L2","2","L","Inductor_THT:L_Axial_L7.0mm_D3.3mm_P5.08mm_Vertical_Fastron_MICC","" "6","R1, R2","2","1 kOhm","Resistor_THT:R_Box_L8.4mm_W2.5mm_P5.08mm","" "7","R3","1","390kOhm","Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Vertical","" "8","R4","1","390 kOhm","Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Vertical","" "9","R5, R6","2","100kOhm","Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Vertical",""