Technics AZ100 Review: Premium True‑Wireless Earbuds Take on Bose

When Technics announced its EAH‑AZ100 earbuds back in January 2025, the headline was hard to miss: a magnetic‑fluid driver promising the most authentic sound yet. Fast forward a year and I finally got my hands on the pair – the $300, true‑wireless set that’s being touted as a serious challenger to Bose’s high‑end offerings.

First impressions are always a mix of excitement and a little doubt. The earbuds sit snugly in the concha, a design choice that feels more like an in‑ear monitor than a typical true‑wireless. The fit is secure, which is great for a commute or a jog, but it can feel a tad invasive after a while – a small trade‑off for the solid passive isolation they provide.

Powering the AZ100 is Technics’ proprietary magnetic‑fluid driver. Imagine a tiny oil‑filled chamber infused with magnetic particles that moves in perfect sync with the audio signal. The result? Bass that’s punchy without being boomy, mids that feel warm and natural, and treble that stays airy rather than harsh. On my favorite jazz records, the instruments felt almost three‑dimensional, while rock tracks retained their edge without losing detail.

Beyond the driver, there’s a suite of tech that feels ahead of its price tier. Adaptive hybrid ANC automatically tunes itself to your surroundings, and when you switch to a noisy café, the background hiss drops noticeably. The Voice Focus AI – a three‑mic array with an on‑board AI chip – makes calls sound surprisingly clear, cutting out café clatter and even the occasional sneeze.

If you’re into spatial audio, the AZ100 doesn’t disappoint. Dolby Atmos and Dolby Head‑Tracking are built right in, so Netflix’s immersive soundtracks feel genuinely immersive, even on a phone. Pair that with support for Bluetooth 5.3 and a codec lineup that includes LDAC, AAC, SBC and the emerging LC3, and you’ve got a connection that’s both fast and high‑fidelity.

Battery life is respectable: roughly seven hours with ANC on, eight without, and the charging case adds another 10‑plus hours. A quick‑charge of 15 minutes nets about 90 minutes of playback – handy for those rushed mornings. Multipoint connectivity is another nice touch; the earbuds can stay linked to three devices at once, so you can jump from a laptop call to a phone playlist without re‑pairing.

Now, how does all this stack up against Bose’s QuietComfort Earbuds II? Bose still leads with a slightly lighter feel and a more neutral sound signature that some audiophiles prefer for pure accuracy. However, the AZ100’s richer bass and more engaging mids give it a personality that Bose often lacks. In real‑world use, the differences are subtle but noticeable – the Technics pair feels a bit more “musical,” whereas Bose feels more “clinical.”

Pricing is where the debate sharpens. At launch the AZ100 retailed for $299, and while a recent Amazon listing showed it dropping to $234, it’s still a premium price point. If you’re already deep into the Technics ecosystem or love the brand’s legacy, the cost feels justified. For newcomers, it’s a solid middle ground between expensive audiophile gear and budget true‑wireless options.

Bottom line? The Technics AZ100 delivers on its promises: a vivid soundstage, clever AI‑driven call quality, and reliable ANC, all wrapped in a premium package that can give Bose a run for its money. It isn’t perfect – the fit can be tight and the price isn’t cheap – but it’s a compelling choice for anyone who wants a little more soul in their earbuds.