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Hifiman EF400 R2R USB DAC High-Power Balanced Headphone Amplifier
Hifiman EF400 R2R USB DAC High-Power Balanced Headphone Amplifier
Hifiman EF400 R2R USB DAC High-Power Balanced Headphone Amplifier
Hifiman EF400 R2R USB DAC High-Power Balanced Headphone Amplifier
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Hifiman EF400 R2R USB DAC High-Power Balanced Headphone Amplifier
Brand New · Factory Sealed · HiFiMan Authorized Dealer
$799.00
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Free Canada-wide Shipping Out of Stock
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Trusted by 150,000+ Canadian customers since 2001
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Massive Power and Superior Sound from A Sleek and Stylish Chassis

Description image for Hifiman EF400 R2R USB DAC High-Power Balanced Headphone Amplifier

4.4W Per Channel Balance Output

Ten years later, HIFIMAN is proud to introduce a new model, EF400, that incorporates the best of recently developed technologies, especially the company's advanced HIMALAYA R2R DAC. The EF400 is the modern desktop DAC/Amp solution, with a compact footprint and price to match, but with sonics that outperform products many times its size.

Description image for Hifiman EF400 R2R USB DAC High-Power Balanced Headphone Amplifier

Full Balance

Description image for Hifiman EF400 R2R USB DAC High-Power Balanced Headphone Amplifier

The four-channel differential structure features a DAC, buffer and active filter that add up to unbeatable fully balanced output for stunning performance from a Class AB DAC/amplifier.

The four-channel fully differential amplifier circuit features a maximum output of 10.7 Vrms (THD<1%) on a 36Ω resistor equivalent load. The result: fully balanced output that is beyond compare

Experience The Prized Performance of The R2R DAC: A Rare Treat Made Possible by HIFIMAN

Description image for Hifiman EF400 R2R USB DAC High-Power Balanced Headphone Amplifier

Specifications:

  • THD+N (Line out): Between 0.002% and 0.004%
  • Channel Separation: 125+/-3dB
  • Signal to Noise Ratio: 118+/-3dB (A Weighted)
  • Maximum Power Output: 4.4 W per channel
  • Dimensions: 246.5mm(L)×228mm(W)×61mm(H)
  • Weight: 3.08kg

Product Details

Warranty

One Year Warranty

  • Parts and Labour Warranty
  • Canada-wide Coverage
  • HiFiMan Authorized
View the detailed warranty policy

Returns

Easy Returns

  • 14-day return window on eligible items
  • Full refund issued in accordance with our return policy
View our full return policy

About HiFiMan

Full Size Headphones • Portable DACs & Headphone Amps • Earbuds

HiFiMan focuses on personal audio built for everyday listening, with a lineup that can include headphones, earbuds, portable DACs, and digital audio gear designed for clean sound and easy use. Whether you're listening at home, at work, or on the go, these products are made for practical comfort, reliable connectivity, and solid performance. We've been carrying HiFiMan since 2016.

Explore our current HiFiMan selection and best sellers. We offer both new and open-box items, and everything is clearly marked. Popular categories include Full Size Headphones, Portable DACs & Headphone Amps, Earbuds.

What Our Customers are Saying
Real Canadian retailer — 150,000+ customers served
63 weeks ago
★★★★★
“Great service. Clear info on the open-box condition and quick shipping. Speakers sound great!”
— Philippe C.
Recently posted
★★★★★
“No complaints. Save on high end electronics. Fast shipping after ordering!”
— Ryan H.
Recently posted
★★★★★
“Lou A. was nice sales guy help me a lot. He give me a good price and also really fast delivery, will buy from here again.”
— Arthur
8 weeks ago
★★★★★
“Customer service was excellent. Very friendly. I ordered online and the speakers arrived very quickly. Would recommend to anyone.”
— Patrick S-R.