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Headphones — Moondrop CHU

Description, images, technical data and specifications

Moondrop CHU
Image source — © Moondrop

The CHU is a closed wired in-ear headphone from Moondrop, built with an exceptionally high sensitivity figure. This model has become one of Moondrop's most widely discussed budget in-ear designs, offering competitive measured performance at an extremely accessible price point within the brand's extensive catalogue.

Key specs that matter

Rated response is 10 Hz to 35 000 Hz, a wide window at the top end. Sensitivity is an exceptionally high 120 dB per milliwatt into 28 ohms, meaning even a very weak source signal reaches full volume with ease. Connection type is wired.

Sound and use context

Expect the closed, isolating character typical of a sealed in-ear design, with the exceptionally high sensitivity meaning even the quietest source device reaches comfortable listening volume - the CHU has built a considerable reputation within the budget in-ear enthusiast community specifically for punching well above its accessible price point.

Pairing

The 28 ohm impedance and exceptionally high 120 dB sensitivity mean this in-ear is easily driven by any phone, dongle DAC or portable source, requiring no dedicated amplification whatsoever.

Alternatives

Moondrop's broader wired in-ear catalogue, including the pricier Starfield II, offers alternatives at different tuning and price points, worth comparing directly if this model's already impressive budget-tier performance still leaves ambitions for Moondrop's more elaborate designs. Given how widely discussed the CHU has become within budget in-ear circles, checking recent independent measurement comparisons is worthwhile before purchase, since a crowded and fast-evolving market segment means newer competitors regularly emerge at similarly accessible prices. A range of eartip sizes is worth trying to find the best individual seal and comfort for extended listening sessions. Storage in a protective case when not in use also helps preserve cable and connector condition over time. Overall this remains a remarkable value choice within an extremely crowded budget in-ear segment. A dealer visit remains the simplest way to compare current pricing across Moondrop budget in-ear catalogue. Cable durability at the connector is also worth checking given the wear a wired in-ear typically endures over time. Overall this remains a capable, accessible choice for a budget-conscious in-ear buyer. A dealer demonstration remains worthwhile before committing to any specific purchase.

Specifications

  • Model name

    CHU

  • Transducer principle

    Dynamic or Isodynamic

  • Scheme

    Closed

  • Wearing style

    In-ear

  • Frequency response low +/- 10dB (Hz)

    10

  • Frequency response high +/- 10dB (Hz)

    35 000

  • Max. sound pressure level (dBSPL (1 kHz @ 5% THD))

    N/A

  • Connection type

    Wired

  • Connector (mm)

    N/A

  • Sensitivity (dBSPL (1 kHz/ 1 mW)))

    120

  • Impedance (Ohm (1 kHz))

    28

  • Playback time (hours)

    N/A

  • Weight (g)

    N/A

  • Official link