HiFiMan EF400 Desktop Balanced DAC and Headphone Amplifier

SKU: HMEF400 MFR: EF400
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Key Features

  • Experience pristine audio with the HiFiMan EF400 headphone amplifier's exceptional clarity.
  • Enjoy powerful sound output at 4.4W per channel, perfect for high-impedance headphones.
  • Achieve optimal impedance match for your favorite headphones, ensuring top-tier performance.
  • Connect seamlessly with balanced DAC inputs, enhancing your listening experience with ease.
  • Durable build quality ensures this headphone distribution amplifier stands up to daily use.
  • Get audiophile-grade sound without breaking the bank; exceptional quality at a great price.
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Special Order?Estimated to Ship: 08/26/2025
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HiFiMan EF400 Specifications

  • Signal to Noise Ratio

    118+/-3dB (A Weighted)

  • THD+N (Line out)

    Between 0.002% and 0.004%

  • Channel Separation

    125+/-3dB

  • Maximum Power Output

    4.4 W per channel

  • Dimensions (L x W x H)

    9.70 x 8.97 x 2.40" (246.5 x 228 x 61mm)

  • Weight

    6.79 lbs (3.08kg)

About HiFiMan EF400

How can you elevate your audio experience with both power and precision The HIFIMAN EF400 Desktop Balanced DAC and Headphone Amplifier is the epitome of high-fidelity sound engineering. This stylish and compact device is the latest innovation from HIFIMAN, a brand synonymous with high-quality audio equipment. It's designed to fit seamlessly into any desktop setup, offering a sleek and modern aesthetic that complements its superior performance.

At the heart of the EF400 lies HIFIMAN's advanced HIMALAYA R2R DAC, a technology that sets this DAC/Amp apart from the competition. This cutting-edge DAC delivers an audio reproduction that is as close to the original recording as possible, ensuring that every nuance and detail is captured with exceptional clarity.

The EF400 boasts a full balance design with a four-channel differential structure that includes a DAC, buffer, and active filter. This fully balanced output is a hallmark of the EF400, providing a stunning performance that rivals Class AB DAC/amplifiers. With a maximum output of 10.7 Vrms (THD <0.01%), the EF400 ensures that your music is not only heard but felt, with a dynamic range that breathes life into every track.

Reliability and durability are at the forefront of the EF400's design. Its robust construction guarantees that this device will be a long-lasting addition to your audio setup, delivering consistent, high-quality sound day after day.

For audiophiles and music enthusiasts looking for versatility, the EF400 is an ideal choice. It enhances the sound quality of both headphones and speakers, making it perfect for personal listening sessions as well as sharing your favorite tunes with others. The advanced technology and reliable performance of the EF400 make it a standout choice for those who demand the best in audio reproduction.

In summary, the HIFIMAN EF400 Desktop Balanced DAC and Headphone Amplifier is a high-quality, stylish, reliable, durable, and advanced audio device that offers superior sound from a sleek chassis. Its versatility and the reputation of the Hifiman brand make it a top contender for anyone seeking to upgrade their desktop audio experience.

HiFiMan EF400 Features

  • The Modern Desktop DAC/Amp Solution-Compact yet Powerful
  • Award-winning HIFIMAN HIMALAYA R2R DAC
  • Full Balance Output

Product Documents

User Manual

Key Features

  • Experience pristine audio with the HiFiMan EF400 headphone amplifier's exceptional clarity.
  • Enjoy powerful sound output at 4.4W per channel, perfect for high-impedance headphones.
  • Achieve optimal impedance match for your favorite headphones, ensuring top-tier performance.
  • Connect seamlessly with balanced DAC inputs, enhancing your listening experience with ease.
  • Durable build quality ensures this headphone distribution amplifier stands up to daily use.
  • Get audiophile-grade sound without breaking the bank; exceptional quality at a great price.

What's in the box:

  • HiFiMan EF400 Desktop Balanced DAC and Headphone Amplifier
  • HiFiMan 1 Year Limited Warranty