Since I am (slowly) learning. I knew that statement was high praise. Recently, I vaguely assumed ‘THX’ was a sound decoder, have learned with time, it is a ‘standard’. Build quality, certification for hardware/software specs on how the sound is passed, the ultimate bar being a certain ‘experience level’ out of the total pkg.
If I remember correctly, that beta tester has a fully THX compliant system. So although ‘sound’ is the end quantifier, he means a whole lot of complimentary things when he writes that sentence.
Very nice!