I like having the small for left ear and the big one for my right ear. It make the bass come through!

Hi ! This is Mr.Herman Woods here, I Have all ways been a fine of KOSS HEAD PHONE . I CAME INBTO THE STORE . ABOUT 9 YEARS AGO ! VISITING FAMILY ! IN MILWAUKEE ! I TALK TO THE LADE AT THE CONTER ! SHE WAS VERY NICE ! TO ME AND MY BROTHER ! WE HAD A NICE CONVERSATION .TO GETHER ! I HAVE BEEN USING KOSS ! UR-40 FOR OVER 10 YEARS. I THIMK THEY ARE THE BEST. I THINK NOBODY CAN TOUCH YOU GUYS ! HEAD PHONES. LOVE YOU GUYS ! IF YOU CAN STAY !!!!! IN BUSINESS ! FOR YEARS TO COME.THANK YOU FOR YOUR TIME ! MR.HERMAN WOODS ! HAVE A VERY NICE DAY . NEXT TIME IN AM DOWN THERE ! I WILL STOP IN .TO SAY ! HI .THANK YOU !

Great