HiFiMan EF400 DAC/Headphone Amplifier Review - There is MAGIC in this box!

Thanks to HiFiMan for sending the EF400! They have made no attempt to influence my opinion and all thoughts shared are my own.

Buy From HiFiMan: https://store.hifiman.com/index.php/ef400-736.html

At 03:18 I misspoke, the RCA analog output is UNbalanced!

First Impressions: https://youtu.be/Stzmom5C3Tg

Reviews of Mentioned Gear:

HiFiMan Headphones…

Ananda SE: https://youtu.be/oU8SJW5-NH0
Edition XS: https://youtu.be/i624svEG2j4
Arya SE: https://youtu.be/uK8POJ5_xhY
HE1000v2: https://youtu.be/N8k9oV2lx9E
Susvara: https://youtu.be/mZJ78eXWkt0
HE6se v2: https://youtu.be/NnwqHJlAjxk

Other Gear…

Schiit Asgard 3: https://youtu.be/3HsoR1oK78M
Schiit Modius: https://youtu.be/00hvK8hez_4
Schiit Bifrost 2: https://youtu.be/dvt3iRqw1nY
Lake People G111: https://youtu.be/InnJfsLdIhU
Chord Hugo 2: https://youtu.be/95i00hn4-Cs
Cayin HA1AMk2: https://youtu.be/Hb2iS--JTvQ
Focal Radiance: https://www.youtube.com/watch?v=o1DDTtN57VQ
Sennheiser HD600: https://youtu.be/wFKiSd40jt4
Sennheiser HD6XX: https://youtu.be/865BRrqBR3Y
Beyerdynamic DT 880: https://youtu.be/gwmP7r8ffA0
Denafrips Ares II: https://www.head-fi.org/showcase/denafrips-ares-ii-r2r-dac.24901/reviews#review-25868

Channel Intro: https://youtu.be/mAEiO10iF4A
My Hearing Quirks: https://youtu.be/lIKtrGJwit0

00:00 Intro, Disclaimers, Pricing
01:26 Features & Build
05:09 DAC Design
06:40 Amp Design
07:44 What's Missing?
09:30 Sonic Performance
17:01 Amp & DAC Performance Individually
18:42 Comparison to Schiit Stack
20:23 NOS vs OS
21:25 The Drawbacks
24:56 Bottom Line
25:58 But Use it Balanced!
26:35 Conclusion
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