Moondrop Chu II
The Moondrop Chu II is a wired in-ear monitor with a single 10mm dynamic driver using an aluminum-magnesium alloy composite diaphragm in a zinc alloy cavity. It features a detachable 0.78mm 2-pin cable with a 3.5mm single-ended plug, a brass CNC nozzle, replaceable acoustic filters, and tuning targeting Moondrop's VDSF Target Response.
| Frequency response | 15 Hz – 38 kHz |
| Sensitivity | 119 dB/Vrms |
| Impedance | 18 Ω |
| THD | 0.5% |
| Driver | 10 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 | 0.35 V · 7.0 mW |
| Phone or laptop (≈0.70 V, 20 mW) | Enough |
| Dongle DAC/amp (≈2.0 V, 120 mW) | Enough |
Worked out from the stated 119 dB/V and 18 Ω — not a listening test.
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