If you're looking for an IEM with remarkable transparency, impressive air and resolution combined with a relaxed presentation then the Spark certainly has a place in your collection! It does so with superb build quality at a fair price in a soaring prices segment.
If you're looking for an IEM with an intoxicating midrange, powerful textured and fast bass and impressive air and resolution at a reasonable price then the Land is one of top alternatives in a crowded segment with tough competition! It does so with a really singular combination of transparency, engagement and refinement crediting a real tuning mastery from Tansio Mirai. This is a sweet time to be an audiophile and despite the insane price rise in the flagship segment thanks to EST becoming widespread there are some gems in the mid tier segment now and Land is a very strong contender there.
If you’re looking for a smooth and transparent IEM with superb soundstage and imaging that packs good punch down low, open transparent mids with good bite and refined upper treble then the Zodiac deserves your consideration! Tansio Mirai is not here to play and they built a seriously impressive IEM. The Zodiac definitely has the chops to compete in the upper segment : resolution, extension both ways, transparency and clarity are all in line with flagship performance.
The TSMR-5 is a very solid mid tier offering that puts Tansio Mirai on the map for me, both in terms of craftsmanship and tuning knowledge. If you're looking for a reasonably priced clear and highly engaging IEM with a great soundstage and very good craftsmanship then you can't go wrong with the TSMR-5!