Truthear HOLA

The HOLA is a single-dynamic-driver in-ear monitor from Truthear with an 11mm driver, a 3D-printed resin cavity with an aluminum alloy faceplate, and a detachable 0.78mm 2-pin oxygen-free copper cable. It is the entry-level single-DD model in the brand's IEM lineup.
| Frequency response | 8 Hz – 46 kHz |
| Sensitivity | 120 dB/Vrms |
| Impedance | 28 Ω |
| THD | 0.1% |
| Driver | 11 mm |
As stated by the manufacturer — not community data.
Plays straight from a phone
A phone or laptop reaches full listening level. An amp is a choice, not a requirement.
| Needs, for 110 dB peaks | 0.32 V · 3.6 mW |
| Phone or laptop (≈0.70 V, 20 mW) | Enough |
| Dongle DAC/amp (≈2.0 V, 120 mW) | Enough |
Worked out from the stated 120 dB/V and 28 Ω — not a listening test.
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