The math is simple:
amp is tended to be much more sophisticated and more expencive device than digital source, hence the pocket CD player will sound much better with good amp than ultra-bull-tra expencive one with cheap amp or receiver.
amp is tended to be much more sophisticated and more expencive device than digital source, hence the pocket CD player will sound much better with good amp than ultra-bull-tra expencive one with cheap amp or receiver.