QUESTION 1: DO YOU LIKE THE SOUND? ICAN'T HELP WITH 1. QUESTION 2: DO THEY HOLD UP? YES MINE RUNS 8-12 HOURS A DAY.QUESTION 3 : SERVICE MINE BLEW OUT LEFT CHANNEL, BACK FROM SERVICE IN ONE WEEK, THAT WAS 6 MONTHS PAST. IF YOU CAN'T ANSWER QUESTION NUMBER ONE, THE REST ARE MOOT. J.B.