Originally Posted by dank_Army
many people here use the griffin powermate. It is a USB external volume control, though it can be programed for other functions as well. I just did a quick froogle search and found this one for $40: http://www.thinkgeek.com/computing/a...2/?cpg=froogle
as for the EQ, you could get a 1/2 din sized passive EQ if you jsut wanted to split your signal (F,R, Sub) or use the EQ for sound tweaking, but most eq's only allow you 12Db sound control, which def isnt enough to use for volume.