Impressions: Periodic Audio's Beryllium IEM

After much waiting, as they made their rounds around the reviewing community, all three of Periodic Audio's new bespoke IEMs have made their way to me. I say bespoke, by the way, as every single part of all of these products is designed, machined, or tooled by Periodic Audio - they're all made in-house. Let's get to it...

These feature a very standard design: cylindrical housing, with a branded, metal logo plate on the back. The plate logo is a nice bit of flair, but I'll admit that I wasn't floored by the design aspects employed here. But, that may not be the goal for Periodic Audio, and I wholly understand and respect that. These are very clearly made for their sound.

Noticeably neutral is the first thing that came to mind when I put these into my ears for the initial listen today. No frequency range seems tonally emphasized, but the execution is very good. Bass seems to be very clean and well-textured, with great sub-bass extension. Mids are detailed and accurate, leaning neither towards lush nor towards lean, to my initial ears. The treble extends very high without much apparent effort or exhaustion, and I have yet to notice any peakiness, sibilance, or other unpleasantness.

What did initially catch my ear was the imaging and soundstage. Really quite tremendous, especially for a closed, dynamic-driver driven IEM. The soundstage has very good width and pretty good height. But where it really shines, at least initially, is in the imaging. Sounds have great precision, but more importantly, move around very easily. These are not sluggish in their inter-soundstage image. Wow, that was a lot of buzzwords to get out, but I stand by them. I'm going to heavily borrow from film terminology here, but I feel that it is very helpful, given that the terms are known. The audio equivalents of trucking, dollying, panning, and pedestal are all extremely well, and accurately, executed.

These are initial impressions, and I'd like to now, at the end, clarify that, but I have very high hopes for these headphones, as they have initially impressed pretty greatly. Props to Periodic Audio for coming out into the industry swinging this hard; I hope that these impressions hold over the review period.

I'm writing these impressions first of the three, but impressions of all three headphones will be posted over an 30-minute period on the day that they post, so let's get on to the next one.

Impressions carried out over the course of this playlist...

Impressions carried out over the course of this playlist...