It Depends on what you are downloading
In most applications you do need some form of box some companies make free air subwoofers that you might want to look up
Much is followed by an uncountable noun (nouns that have no plural forms, e.g. sugar, money, information, water...etc.) Many is followed by a countable noun (nouns that have plural forms) Much and...
23 B channels.
Computer-users use the data.