Is the Monarchy DIP effective?

I used the previous version (not the 24/96 version). It worked very well for me when I had a marginal transport. When I upgraded the transport the DIP had little effect. My experience with Jitter reducers is they work very differently with different equipment. If you can try it before you buy it (or have a return guarantee), do that. Wish I could be more help, but you will probably have a tough time finding someone who has used it with the same equipment as you have.

Audio advisor has a money-back guarantee - what do you have to lose? (I got the DIP for my Marantz CD63se/theta DAC and it was a dramatic improvement).

I have a Genesis Digital lens which I think is the same thing. The improvement is very noticable. It does have a large problem with poping though. Timing errors. I have heard that this is a matter of matching the right digital cables but Im not sure. I have emailed Genesis a couple of times but they have ignored my plea for help. I wonder if companies releize how much an unanswered email hurts business.

The Genesis is somewhat different. In simplistic terms the Monarchy DIP is just a phase locked loop jitter reducer, while the Genesis Digital Lens stores the data stream and re-clocks it, as well as re-dithering.

While I have not tried a Monarchy DIP, I have used either an Audio Alchemy DTI, DTI 2.0 or DTI Pro for several years. All of them effected some level of improvement in clarity, bass response and tonal balance. They also seem to reduce the level of tension that is frequently associated with digital playback. While the degree of improvement varied with different transports, usually the degree of improvement was greater with cheaper transports and almost mandatory with some. Using a jitter reduction device will require an extra digital interconnect, but imho, I consider them a requirement to achieve acceptable digital sound. If the Monarchy can be obtained on a trial basis, it is definitely worth trying.