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HiFiMan Minibox Amplifier Card for HM-901 Media Player

In stock

The HiFiMan Minibox Amp Card is an upgrade replacement card for the HM901 and HM901s Media Players.

Designed by renowned portable amplifier designer, Three Stone, the Minibox Amp Card will surround you in music.


  • Wide grequency range
  • Low distortion
  • Clean, tight soundstage
  • Powerful enough to drive demanding headphones

Designer Three Stone handpicked two OPA627 OP-AMPS and four BUF634 Buffer in a DIP design over the standard SMT design to provide listeners with a clean, tight soundstage and the feeling of being totally surrounded by their music.

This powerful amplifier module will drive some of the most demanding headphones on the market.

S/N: 108dB

Frequency response: 20hz-20Khz(-1.2dB)

Output impedance: 1 Ohm

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