#,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,AudioJackx,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,R3,1,390 kOhm,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",2,100 kOhm,Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Vertical,