Well, finally the PM4 are with me. After a week with them i can confirm my expectations about the sound which, for me, surpasses clearly the Delta's output in all aspects, especially on the coherence and the size of the stage. Well done @Bobtrinity.
However, the customer experience has not been the best, as i received them in mid december, the same day as the vyrus and hyperions that i bought on the black friday (my pm4 were preordered in October). That, as i had to begin a long trip until mid january, left me without the iems i was expecting to bring with me. Understanding the possibility of the delay with all the chaos of the release, i'd have liked to find a better communication, as the delay wasn't caused because of mail service but the own brand, which shipped it, as it was stated on the package, the 28th November, not the 15th that it was supposed to.
Besides, i share the problems stated here by many: both braided cables fail (2 of 3!), silver undampened filters also. I'll have to write Jake to find a solution, but all the problems narrated leave me a bitter taste. These are the 7th trinity product i buy, the second ones for my personal use, and the only one i have right now (i decapitated my left Delta the other day, and considering that they're built like tanks you can imagine how brutal and dramatic was the accident). It has been the first "not good" experience and i'll continue recommending the brand (as i did just yesterday), but i think´that for the future it would be positive some deliberation about the problems generated by all this constantly delayed process, maybe finished without the patience needed (as 3 months later we have a substitution model, undoubtedly well discounted for Trinity's clients, but... why should i buy 2 products if originally only wanted one, a well finished one?) and probably relationed with the tons of nerves exhibited by the customers on the forum... a situation possibly avoidable just not announcing so soon the product and it's campaign, i think.
Anyway it's just a suggestion from one point of view, I hope this is understood in a constructive sense, not for criticizing, because i find a pity that a good product itself ends reporting a bittersweet experience because of the final details.