crwdns2936637:0crwdne2936637:0 crwdns2853008:0crwdne2853008:0 crwdns2918746:0crwdne2918746:0
crwdns2918538:0crwdne2918538:0

crwdns2934241:0crwdne2934241:0 mayer

crwdns2934249:0crwdne2934249:0:

You have gone into the system preferences > Sound and selected the correct line out  output?

crwdns2915684:0crwdne2915684:0:

open