Hi,
just so I'm clear from the beginning, we are an importer for several high-end audio products but we do not promote or import any Class D products and I am not affiliated with the company that I'm about to recommend.
A few years ago we started listening to Class D amplifiers and it was intriguing because the noise floor was super low. We auditioned several different manufacturers from the very expensive Merrill 116 amplifiers to very inexpensive Class D manufacturers. At the time the very expensive Merrill Audio amps were exceptional and the most expensive that we auditioned.
Recently I been playing with an inexpensive pair of RCVTech monobloc's. I also tried their stereo amplifier. I must say that Class D technology is making a positive move forward and this small manufacturer out of Canada is making a wonderful sounding and very musical Class D amplifier. In fact it is now the best we have heard.
Cheers and just an opinion so be gentle.