* SPICE netlist
R1 N001 Vin_audio {R1a}
R2 N001 0 {R3a}
C1 N001 N002 {Ca}
C2 N001 Vout_BPF1 {Ca}
R3 Vout_BPF1 N002 {R2a}
XU1 Vcom N002 Vdd 0 Vout_BPF1 level2 Avol=1Meg GBW=10Meg Slew=10Meg Ilimit=25m Rail=0 Vos=0 En=0 Enk=0 In=0 Ink=0 Rin=500Meg ;pnba In+)In-)V+)V-)OUT
V1 Vdd 0 5
R4 Vcom Vdd 5k
R5 0 Vcom 5k
R6 N005 Vin_audio {R1b}
R7 N005 0 {R3b}
C3 N005 N006 {Cb}
C4 N005 Vout_BPF2 {Cb}
R8 Vout_BPF2 N006 {R2b}
XU2 Vcom N006 Vdd 0 Vout_BPF2 level2 Avol=1Meg GBW=10Meg Slew=10Meg Ilimit=25m Rail=0 Vos=0 En=0 Enk=0 In=0 Ink=0 Rin=500Meg ;pnba In+)In-)V+)V-)OUT
V2 Vin_audio 0 SINE(2.5 1 312.5) AC 1
XU3 Vcom N003 Vdd 0 N004 level2 Avol=1Meg GBW=10Meg Slew=10Meg Ilimit=25m Rail=0 Vos=0 En=0 Enk=0 In=0 Ink=0 Rin=500Meg ;pnba In+)In-)V+)V-)OUT
R9 N004 N003 {R}
R10 N003 Vout_BPF1 {R}
R11 N003 Vout_BPF2 {R}
.ac dec 1000 20 1.25k
.param R1a=99.7k R2a=199.5k R3a=458 Ca=103n R1b=25.66k R2b=52.5k R3b=130.3 Cb=103n R=1k

* LTspice schematic (.asc)
Version 4
SHEET 1 1744 896
WIRE -88 -432 -152 -432
WIRE 136 -432 -24 -432
WIRE 8 -336 -24 -336
WIRE 136 -336 136 -432
WIRE 136 -336 88 -336
WIRE -744 -272 -840 -272
WIRE -280 -208 -376 -208
WIRE -152 -208 -152 -432
WIRE -152 -208 -200 -208
WIRE -120 -208 -152 -208
WIRE -24 -208 -24 -336
WIRE -24 -208 -56 -208
WIRE 24 -208 -24 -208
WIRE -744 -192 -840 -192
WIRE 136 -192 136 -336
WIRE 136 -192 88 -192
WIRE 216 -192 136 -192
WIRE -152 -144 -152 -208
WIRE 648 -112 616 -112
WIRE 776 -112 728 -112
WIRE 456 -16 408 -16
WIRE 568 -16 536 -16
WIRE 568 16 568 -16
WIRE 616 16 616 -112
WIRE 616 16 568 16
WIRE 648 16 616 16
WIRE 776 32 776 -112
WIRE 776 32 712 32
WIRE 872 32 776 32
WIRE -376 48 -376 -208
WIRE -376 48 -392 48
WIRE 456 64 408 64
WIRE 568 64 568 16
WIRE 568 64 536 64
WIRE -88 80 -152 80
WIRE 136 80 -24 80
WIRE 8 176 -24 176
WIRE 136 176 136 80
WIRE 136 176 88 176
WIRE -376 304 -376 48
WIRE -280 304 -376 304
WIRE -152 304 -152 80
WIRE -152 304 -200 304
WIRE -120 304 -152 304
WIRE -24 304 -24 176
WIRE -24 304 -56 304
WIRE 24 304 -24 304
WIRE 136 320 136 176
WIRE 136 320 88 320
WIRE 216 320 136 320
WIRE -152 368 -152 304
FLAG 56 -160 0
FLAG -152 -64 0
FLAG -744 -112 0
FLAG -744 -352 0
FLAG 56 352 0
FLAG -152 448 0
FLAG 216 -192 Vout_BPF1
IOPIN 560 80 Out
FLAG 216 320 Vout_BPF2
IOPIN 560 592 Out
FLAG -392 48 Vin_audio
IOPIN -48 320 In
FLAG -840 -272 Vcom
FLAG 24 -176 Vcom
FLAG 24 336 Vcom
FLAG -840 -192 Vdd
FLAG 56 288 Vdd
FLAG 56 -224 Vdd
FLAG -872 144 0
FLAG -872 64 Vin_audio
IOPIN -528 336 Out
FLAG 408 -16 Vout_BPF1
IOPIN 752 256 In
FLAG 408 64 Vout_BPF2
IOPIN 752 336 In
FLAG 680 0 Vdd
FLAG 680 64 0
FLAG 648 48 Vcom
SYMBOL res -184 -224 R90
SYMATTR InstName R1
SYMATTR Value {R1a}
SYMBOL res -168 -160 R0
SYMATTR InstName R2
SYMATTR Value {R3a}
SYMBOL cap -120 -224 M90
SYMATTR InstName C1
SYMATTR Value {Ca}
SYMBOL cap -88 -448 M90
SYMATTR InstName C2
SYMATTR Value {Ca}
SYMBOL res 104 -352 R90
SYMATTR InstName R3
SYMATTR Value {R2a}
SYMBOL OpAmps\\UniversalOpAmp2 56 -192 R0
SYMATTR InstName U1
SYMBOL voltage -744 -208 R0
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL res -760 -288 R0
SYMATTR InstName R4
SYMATTR Value 5k
SYMBOL res -760 -368 R0
SYMATTR InstName R5
SYMATTR Value 5k
SYMBOL res -184 288 R90
SYMATTR InstName R6
SYMATTR Value {R1b}
SYMBOL res -168 352 R0
SYMATTR InstName R7
SYMATTR Value {R3b}
SYMBOL cap -120 288 M90
SYMATTR InstName C3
SYMATTR Value {Cb}
SYMBOL cap -88 64 M90
SYMATTR InstName C4
SYMATTR Value {Cb}
SYMBOL res 104 160 R90
SYMATTR InstName R8
SYMATTR Value {R2b}
SYMBOL OpAmps\\UniversalOpAmp2 56 320 R0
SYMATTR InstName U2
SYMBOL voltage -872 48 R0
SYMATTR Value2 AC 1
SYMATTR InstName V2
SYMATTR Value SINE(2.5 1 312.5)
SYMBOL OpAmps\\UniversalOpAmp2 680 32 R0
SYMATTR InstName U3
SYMBOL res 744 -128 R90
SYMATTR InstName R9
SYMATTR Value {R}
SYMBOL res 552 -32 R90
SYMATTR InstName R10
SYMATTR Value {R}
SYMBOL res 552 48 R90
SYMATTR InstName R11
SYMATTR Value {R}