HifiMan Electronics EF2C USB-DAC Headphone Tube Amplifier

Model: EF2C UPC: 703510596482 Item: 165458


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Your private music listening session just got better with the HIFIMAN EF2C USB-DAC Headphone Tube Amplifier. Using the power of vacuum tubes, your music is reproduced through a warm sound signature with low distortion. Recreate the soundstage in your headphones with the amplifier's step potentiometer, which gives you precise control of your channel balance.

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EF2C USB-DAC Headphone Tube Amplifier
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Product Information

HIFIMAN EF2C USB-DAC Headphone Tube Amplifier Features:

Sublime and Organic Tone from the Vacuum Tube

  • Combines the beautiful, warm sound signature of vacuum tubes with the advantages of low distortion and high S/N rate from the solid-state amplifier.

Hybrid Design: Vacuum Tube + Solid State Performance

  • The hybrid design employs two 6J1 tubes for its input stage and incorporates the OPA2604 along with discrete components for its output.

Step Potentiometer for Improved Volume Attenuation

  • The Step Potentiometer is designed for precise control and accurate channel balance (with less than 0.0001 in errors). This results in excellent channel balance and soundstage.

Hi-Fi Sound Quality

  • The EF2C is meticulously designed for the most discriminating music listeners who demand the best performance and value.

Style and Power

  • A compact desktop design with an integrated USB-DAC inherits the power and performance from the EF2A. The EF2C is the perfect match for most PC-driven audiophile headphones.


HIFIMAN EF2C USB-DAC Headphone Tube Amplifier Specifications:

  • Input Impedance: 47k Ohms
  • Output Impedance: 32 - 300 Ohms
  • Max. 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
  • Power Supply: 110v/220v
  • Dimensions: 5.7" (144mm) Wide x 4.3" (110mm) Deep x 3.1" (78mm) High
  • Weight: 3lbs (1.36kg)

What's in the Box

What's In The Box:

  • EF2C USB-DAC Headphone Amplifier
  • USB Cable
  • 2x Tubes
  • Power Adaptor
  • Owner's Guide


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