• TANCHJIM OLA HiFi In-Ear Earphones
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TANCHJIM

TANCHJIM OLA HiFi In-Ear Earphones

TANCHJIM OLA HiFi In-Ear Earphones
  • Genuine & Brand-New
  • Free Shipping · Ships from China
  • 1-Year Warranty
  • 45-Day Returns
$44.99 USD
$44.99 USD
Shipping calculated at checkout.
Title

The TANCHJIM OLA is a water-resistant HiFi in-ear earphone with a 10 mm graphene-diaphragm dynamic driver and a deliberately bass-focused tuning. With 16 Ω impedance and 126 dB/Vrms sensitivity it's easy to run from a phone dongle, which makes it a gym and commute pair you won't mind sweating on.

Who the TANCHJIM OLA is for

  • Gym sessions: Water-resistant construction makes it the pair you're willing to sweat on rather than the one you baby at the desk.
  • Commuters: A bass tilt and easy drive from a phone dongle suit listening on the move.
  • Bass lovers: This is the fun entry in TANCHJIM's lineup: the low-end energy is deliberate, not a study in neutrality.
  • Skip it if: you want a neutral, vocal-first reference presentation; the OLA leans into low-end energy on purpose.

TANCHJIM OLA key specs

  • Driver: 10 mm dynamic (DMT4, graphene diaphragm)
  • Impedance: 16 Ω ± 10%
  • Sensitivity: 126 dB/Vrms
  • Frequency response: 7 Hz – 45 kHz
  • Connector: 0.78 mm 2-pin, 3.5 mm
  • Water resistance: Water-resistant construction
  • Tuning: Bass-focused
  • Color: Silver

Genuine TANCHJIM stock, 1-year warranty. 45-day returns, free shipping on every order.

TANCHJIM OLA vs similar options

  • vs KZ PRX: Also pitched at music and workouts, but built on a planar magnetic driver tuned for detail with bass capability; choose the OLA for a 10 mm graphene dynamic driver and a bass-focused tuning.

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View full details

Specifications

Driver 10 mm dynamic (DMT4, graphene diaphragm)
Impedance 16 Ω ± 10%
Sensitivity 126 dB/Vrms
Frequency response 7 Hz – 45 kHz
Connector 0.78 mm 2-pin, 3.5 mm
Good to know

Buying from TonePier

Is this unit genuine?

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.