endo | exo
exo | endo
microphones_out | loudspeakers_in
loudspeakers_in | microphones_out
microphones_in | loudspeakers_out
loudspeakers_out | microphones_in
microphones_out | loudspeakers_in
loudspeakers_in | microphones_out
microphones_in | loudspeakers_out
loudspeakers_out | microphones_in
![](https://freight.cargo.site/t/original/i/316842d3ecf649e3ae696546284038e6c0f3ef7e2c2923b5c1954f9c47a2bbcc/36907523_2121363044819906_3905119148971130880_n.jpg)