The traditional advice that we at What Hi-Fi? give about separate components providing better performance than products trying to be jacks of all trades needs to be given with a few caveats these days. There are some remarkable pieces of equipment out there now that will do the job of source, amplifier and speaker incredibly well.
The principle does, generally, hold true, however. Particularly when you are looking at performers at what used to be called the entry level of hi-fi – possibly better-named now as step-up products.
