I'm going to be filming a documentary in Mongolia about the cultural music and the legitimacy of nomadism, which is still widespread in Mongolia. I don't have a lot of experience combining film and audio (I am currently in school and plan on becoming a recording engineer at a recording studio) and could use some help.
I'm looking for a field mixer that makes sense for my project. I found the Azden FMX-42 4 channel mixer:
http://www.bhphotovideo.com/c/product/493791-REG/Azden_FMX_42_FMX_42_4_Channel_Microphone_Field.html
And the 552 by Sound Devices was recommended to me:
http://w