The iBasso 3T-154 is a single dynamic driver IEM built on a 15.4 mm diaphragm, unusually large for an in-ear, giving more radiating area for the low end with no crossover to integrate. It's aimed at listeners who found multi-BA sets impressive but unconvincing on drums and bass guitar.
Who the iBasso 3T-154 is for
Multi-BA skeptics: If multi-BA sets struck you as technically impressive but not convincing on drums and bass guitar, a large single dynamic is the direction to try.
Low-end listeners: The 15.4 mm diaphragm gives more radiating area for the low end.
Coherence seekers: One driver covers everything, so none of the crossover integration issues of multi-driver arrays apply.
Skip it if: you need a compact shell; a 15.4 mm driver needs a housing to match, so check the shell size against your fit first.
vs KZ AST: Takes the opposite route: 12 balanced armatures per side and no dynamic driver, for a detail-focused presentation; pick the 3T-154 if multi-BA sets haven't convinced you on drums and bass.
vs TANCHJIM Kara: Splits the range between one dynamic driver and four BAs, tuned for vocal music monitoring; choose the 3T-154 if you want a single 15.4 mm dynamic with no crossover to integrate.
Yes. Every unit we sell is genuine and brand-new, shipped in its original packaging, and backed by our 1-year TonePier warranty and 45-day returns.
Where does my order ship from, and how long does it take?
Every order ships from our warehouse in China, with full tracking, and most orders ship within 3 business days. Shipping is free on every order; most US orders arrive within 7–15 business days and most orders to other countries within 7–20 business days — see our shipping policy for details.
What if it isn't for me?
You get 45 days to decide. Keep the packaging, keep it in like-new condition, and send it back for a refund. Ear tips unsealed for hygiene reasons are fine — we expect you to actually listen.
Choosing a selection results in a full page refresh.
