Looking for 200 watt Amp to drive Dynaudio Heritage speakers

If you can stretch your budget, these monoblocks may provide a nice sound quality at a very easy to carry weight.  They come with Pelican-type cases so they are easy and safe to transport.

For much less money at 250 wpc/8 ohms, look at these, also easy to carry.

Here is another well-regarded 250 wpc/8 ohm integrated amplifier with an onboard 24-bit/192-kHz DAC using Burr-Brown PCM1794 converters.  This one weighs 22 pounds.

"The Dynaudio Heritage Special speakers require power to open up. Driven at 100 watts, they sound a little anemic and the treble dominates at lower levels."

Your comment in the OP is probably the reason they were not recommended, because they are only rated at 100 wpc into 8Ω.  Not saying they wouldn't work for your music, room, and those speakers, but you might want to make sure there is a return option.

Yeah, I see that now, that they are rated at 4 ohms.

However, the OP wasn’t clear about which 100 watt amplifier made them sound "a little anemic", which is what caused him to be looking at amplifiers offering twice the power.

Owning relatively insensitive speakers myself (sensitivity of 86 dB at 2.83 Vrms and 1.0 meter on axis) that also have a low’ish impedance (4 Ω nominal, 3 Ω minimum, low reactance), but a high power handling capability, has led me to appreciate how more power (650 wpc/8 ohms/side in my case) can bring them to life in a way that results in a weightier, more tonally rich delivery that increases my overall sonic enjoyment.

Below is the impedance curve from the measurements performed for this linked review. The reviewer did say they got "stupid loud" and another reviewer said he had success driving them with the 25 wpc Pass INT-25. Surprisingly, several reviews never discussed which amplifier was used to drive them during the review, like this one, and this one, although they are specified/rated at 200W. Considering the OP already experienced the pitfalls of underpowering these speakers, and based on my own experience owning speakers with similar sensitivity and impedance specifications, my comment regarding amplifiers below 200wpc/8ohms would remain, try before you buy.

"it seems that lack of soul or engagement is a common theme more so than other critiques"

Everyone describes what they hear based on their own impressions, so I can only speak to my impressions of the Class D Acoustic Imagery Atsah monoblocks, that I owned for over a year. Those amps were built using the very same Hypex NC1200 modules used in the Merrill VERITAS monoblocks, and in Bruno Putzeys’ own Mola Mola Kaluga monoblocks.

As I wrote in these forums in 2021, the Atsah’s sounded, “dry, or at least dry’ish and lacking in that last touch of "realness," which better amplifiers are able to convey.”

A similar impression was conveyed in a review of the Mola Mola Kalugas, where the reviewer for “Mono & Stereo” wrote, “All notes were there but the illusion of musicians standing in front of me wasn`t convincing at all. The music didn`t sound inviting and involving, it was just… there. The emotional content was missing and the tonal colours were somewhat bleached. For lovers of analog reproduction and concert goers the sound could also be quite fatiguing and plain boring."

To me, those impressions are mostly consistent with the current comment,

“lack of soul or engagement."

@atmasphere - No argument on the possibility of better sounding Class D amplifiers.  I think some of the perception problem is due to the level of hype surrounding each new amplifier release, which peaked with those Hypex NC1200 amplifiers when several reviewers declared them "as good as Class A".  They were not as good as the two Class A amps I owned at the time, Clayton M300s and Lamm M1.2 Reference.  They did some stuff nicely including well-damped (maybe a little over-damped) bass, nice tone, macro impact, and smoothness, but compared to the amplifiers I have enjoyed most, they came out a little flat and uninspiring for $9K amps.  I believe I once described the sound as musicians each playing in a separate room instead of a band playing together.  There was something about the ambient sounds that was not coherent as it is in real life.

I would love to hear a pair of small, light amplifiers that overcome that issue.  OTOH, my somewhat large heavy amps sit in one spot, don't bother anyone and sound great, plus I can lift them if I need to, so I have no reason to change anything.