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iBasso

iBasso 3T-154 15.4mm Dynamic IEMs

iBasso 3T-154 15.4mm Dynamic IEMs

  • Authorized Retailer
  • Free US Shipping $49+
  • 1-Year Warranty
  • 45-Day Returns
$155.99 USD
$155.99 USD
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The iBasso 3T-154 is an in-ear earphone driven by a 15.4 mm dynamic driver diaphragm.

A 15.4 mm diaphragm is unusually large for an IEM, which is the whole point of this design: more radiating area for the low end from a single coherent driver, with none of the crossover integration issues that come with multi-driver arrays. If you've heard multi-BA sets and found them technically impressive but not quite convincing on drums and bass guitar, a large single dynamic is the direction to try. Note the shell size when planning fit; big drivers need housings to match.

  • 15.4 mm dynamic driver diaphragm
  • Single dynamic driver configuration

Authorized iBasso retailer, 1-year warranty, 45-day returns.

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Good to know

Frequently asked questions

Is this unit genuine?

Yes. TonePier is an authorized retailer — every unit comes from the brand or its official distributor, carries a valid serial number and is covered by the full manufacturer warranty.

How long does shipping take?

SKUs stocked in our US warehouse ship within 1–2 business days. Items shipped direct from our China hub typically arrive in 8–15 days with full tracking. The product page tells you which applies before you order.

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.