A review of the S-05XE has been published in Enjoy the Music, one of the leading U.S. media outlets specializing in high-end audio.

"But the sound quality of the Esoteric S-05XE offered more than I could describe using my admittedly often-overused audiophile vocabulary. What I heard from it was a very musical sound, letting me hear more than I already described. What this amp did was convey the music's meaning, its indescribable emotional backing."

You can read the full article here. https://www.enjoythemusic.com/superioraudio/equipment/0826/Esoteric_S_05XE_Class_A_Stereo_Monoblock_Amplifier_Review.htm