HIFIMAN HM901s High-Resolution Portable Audio Player with MINIBOX Gold Amp Card

Color
Silver

The HM901s High-Resolution Portable Music Player from HIFIMAN utilizes a pair of the ES9018 DAC high-performance chips from ESS Technology. Two chips per individual channel provide warm sound and remarkable midrange reproduction. The player supports Direct Stream Digital (DSD) 2.8 MHz files for high-quality playback and decodes 24-bit 192 kHz high definition music files, while also upsampling to 24/192. It features a balanced amplifier card that uses four OPA627 Op-amps and four OPA634 buffers. The amp card works in balanced mode for earphones/headphones with a 3.5mm standard jack.

  • Supports Direct Stream Digital (DSD) 2.8 MHz files for high-quality playback
  • Decodes 24-bit 192 kHz high definition music files and offers upsampling to 24/192
  • Utilizes a pair of the ES9018 DAC high-performance chips from ESS Technology, which incorporates two chips per individual channel to provide warm sound and remarkable midrange reproduction
  • ES9018 chips achieve wide sound stage and high detail separation
  • Switchable high and low gain modes for corresponding headphone and earphone leads
  • Replaceable amplifier card design
  • Utilizes dual voltage design delivering +/- 7.4V, 2000mA to help eliminate power supply noise and focus on music
  • Wide frequency response without coupling capacitors provide proper live concert recording
  • The step analog volume control is designed for precise control and accurate channel balance
  • The resistors in both channels of the step potentiometer are paired to make sure they are functionally identical
  • No-gain control circuit delivers high performance by the digital volume chip
  • Advanced potentiometer has a smart attenuation design, particularly at low volumes to drive high-sensitivity earphones and avoid inconsistent volume levels and channel imbalances when increasing or decreasing the volume
  • Balanced amplifier card uses four OPA627 Op-amps and four OPA634 buffers
  • Amp card works in balanced mode for earphones/headphones with a 3.5mm standard jack
  • Taichi II interface offers a simplified, elegant, and high performance experience

Specifications

  • Type: Card
  • Memory Card Slot: Yes
  • Flash Media Slot: 1x SD
  • Data Storage: No
  • Supported Audio Formats: MP3, AAC, WMA, OGG, APE, WAV, FLAC, AIFF, ALAC (M4A), DSD
  • Frequency Response: 20 Hz - 20 kHz
  • Audio Power Output: 477 mW
  • Signal to Noise Ratio: 106 dB
  • Connections: Not Specified By Manufacturer

In The Box

  • HIFIMAN HM901s High-Resolution Portable Music Player with Balanced Amp Card
  • Limited 1-Year Warranty

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