Xerath V9 in games

i know its not my part, cuz i did sound check on bother left n right of my mac speakers in my settings, n they work fine. so is it only when playing Xerath in games u cannot hear his voice. n the announcer is very distant?, i havent tested the only champs. but uh yea lol .-.? (its actually all champs, is there audio missing or something?)