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HiFiMAN EF2C USB DAC headphone amplifier

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  • $ 169

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HiFiMan EF2C USB DAC headphone amplifier provides sublime and organic tone from the vacuum tube while having low distortion and high S/N rate from a solid-state amplifier. This hybrid design of vacuum tube and solid state performance will produce wonderful tones.


  • Hybrid design uses two 6J1 tubes for its input stage and incorporates the OPA2604 along w/ discrete components for its output
  • Step potentiometer for improved volume attenuation—results in excellent channel balance and soundstage
  • Hi-Fi sound quality
  • Compact desktop design w/ an integrated USB-DAC
  • Perfect match for most PC-driven audiophile headphones


  • Input Impedance: 47k ohms
  • Output Impedance: 32 - 300 ohm
  • Output @ 32 ohm: 3v, 320mW
  • Output @ 150 ohm: 6.2v, 256mW
  • Maximum Power Output: 600mW@35 ohms
  • Line-in Max. Output: 4.6V distortion: 2%
  • USB DAC Max. Output: 3.2V distortion: 0.46%
  • Frequency Response: 20Hz - 20kHz
  • S / N: 90dB
  • DAC: Burr-Brown PCM2702
  • Power Supply: 110v / 220v
  • Dimensions: 3.1"h x 5.7"w x 4.3"d
  • Weight: 3 lbs


    WARNING: California Residents - Proposition 65. This product can expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov

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