Why wouldn't something like this work just as well, and it has individual channel level controls.
http://www.soundcity.com/page.php?pg=product&id1=547&id3=11&mcat=HOMEAUDIO&product_id=539
http://www.soundcity.com/page.php?pg=product&id1=547&id3=11&mcat=HOMEAUDIO&product_id=539