For discerning listeners with both an ear and an eye for quality, the Tanchjim Ola is an IEM stands out. For starters, its aerospace-grade aluminum enclosures look and feel incredibly premium—without too much added weight. Tanchjim has then taken an acoustic-structure coupling approach to analyze the shape of these enclosures and tune them perfectly for the Ola’s DMT4 dynamic driver (also developed independently by Tanchjim). These two aspects pair together beautifully to deliver a balanced response that’s pleasantly smooth in the bass, while also delivering plenty of detail. The Ola ships with a high-quality OFC-core cable that sports Kevlar shielding and an in-line mic ready for any phone calls you might need to take. Go for the standard model if you’re looking for an even response, or opt for the “bass” option if you want a little extra punch on the low end.