PS Audio makes low quality products while being marketed as a science-based company. Paul McGowan is a charlatan who pretends to be "a good guy who tells you the truth" in his videos which are misleading.
Their amplifiers are bad.
"Though the Sprout didn't excel in any area of measured performance, it compensates for that with its affordable price and considerable flexibility. It really is a "one-stop shop" for putting together an inexpensive system.—John Atkinson
Read more at https://www.stereophile.com/content...ed-amplifier-measurements#5X1pqCag6l2zWxrJ.99"
Excuses excuses.