Wyred 4 sound amps are well worth the current asking price, they are very good sounding amps, but not great. My experience with the ST-250 impressed me to some degree and felt a need to play the highest quality recordings (audiophile music) to make it sound good, whereas other recordings didn't quite measure up. I am from the camp that a digital switching amp could benefit from an analog power supply but I have to give Cullen Circuits a thumbs up for implimenting a switching power supply that is acceptable. After inserting the older PS Audio HCA-2 the overall musicality regardless of the quality of the recording improved quite substantially. One would think that as time goes on that the sound quality of digital switching amps would improve but it is apparent that this is not the case here. The HCA-2 with its panoramic sound and analog power supply fleshes out velvety highs, bumped up midrange coupled with its ability to layer and texture the music in such a delicious way is superior in most all areas and found the overall involvement in the music was stepped up quite a bit. This is my opinion and I could still recommend the wyred 4 sound amps at their current going prices but I don't classify them as high-end but just very good midfi.
