Huawei CM21 DAC/Amplifier Review


Product Specifications

  • Body Material: Aluminum
  • DAC: Cirrus Logic CS43130
  • Sampling Rate:
    – PCM: 32kHz ~ 384kHz (8/16/24/32bits per Sample)
    – DSD Native: DSD64 (2.8MHz), Stereo / DSD128 (5.6MHz)
  • Frequency Response: 20Hz – 20KHz
  • Frequency Range: 20Hz – 50 KHz (Supports HiRes and SACD)
  • Signal to Noise Ratio:>120dB @ 1KHz, Single-ended
  • Crosstalk: <-80dB @ 1KHz, Single-ended
  • THD+N: 0.0006% @ 1kHz, Single-ended
  • Price: RMB 599

Part 1: Introduction, Design and Build
Part 2: Usability
Part 3: Sound Quality
Part 4: Product Specifications
Part 5: Review Ratings, Summary


  • Goh Beng Yeow, the Founder / Editor at Porta-Fi™, is a recipient of the IT Youth Award in Singapore. Twice nominated for EY Entrepreneur of the Year Awards, Beng Yeow has previously founded startups such as, Coded Pixels Consultants and was a Tech writer for TODAY, a national daily newspaper under MediaCorp. Since 2017, he has been writing, editing and producing commentaries, interviews, news and reviews on Porta-Fi™. In 2019, Beng Yeow was appointed Advisor to LHDC™, the industry's latest low latency and high-definition Bluetooth audio codec.

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