HiFiMan EF499 & EF500 DAC/Headphone Amp/Streamer AIO Reviews - These or a Separates Stack?

Thanks to HiFiMan for sending the EF499 & EF500 for review!

Buy 499 from...

Apos Audio (affiliate link): https://apos.audio/products/hifiman-e...
Amazon (affiliate link): https://amzn.to/4f2NoTv

Buy 500 from...

Amazon (affiliate link): https://amzn.to/3W4TIRF
Audio 46 (affiliate link):: https://audio46.com/products/hifiman-...

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My Dog Review:    • WaveTheory's Dog - A Canine Review In...  

My Reviews of HiFiMan DAC/Amps:

EF400:    • HiFiMan EF400 DAC/Headphone Amplifier...  
EF600:    • HiFiMan EF600 DAC/Amp Review - A Soli...  
Goldenwave Serenade:    • HiFiMan Goldenwave Serenade - Head Am...  

My Reviews of Mentioned HiFiMan Headphones:

Ananda Stealth Magnet Edition:    • HiFiMan Ananda Stealth Magnet Edition...  
Andana Nano:    • HiFiMan Ananda Nano Headphone Review ...  
Arya Stealth Magnet Edition:    • HiFiMan Arya Stealth Magnet Edition H...  
Arya Organic:    • HiFiMan Arya Organic Headphone Review...  
HE6sev2:    • HiFiMan HE6se V2 Headphone Review  
HiFiMan HE1000se (1):    • HiFiMan HE1000se Headphone Review  
(2):    • What Gear is My Gear? Part 5: HiFiMan...  

My Reviews of the Mentioned Pieces of Schiit:

Magni Unity:    • Schiit Magni Unity w/ ESS DAC Card DA...  
Migard:    • Schiit Midgard Headphone Amplifier Re...  
Modius e:    • Schiit Modius e DAC Review - An Under...  

My Reviews of Other Mentioned Headphones:

Focal Radiance:    • What Gear is My Gear? Part 6: Focal R...  
Massdrop + Sennheiser HD6XX:    • What Gear Is My Gear Part 8: Massdrop...  
Moondrop Para (coming soon!)

Timestamps...

00:00 Intro, Pricing, Disclaimer
01:29 Shameless Self Promotion
02:01 What Are the EF499 & EF500?
03:57 My AIO Reviewing Philosophy
05:25 What to Expect in this Review
07:03 Unit Tour, Build, Ergonomics
16:13 Test Gear & Using the Streamers
20:52 Sound
26:54 The Amplifiers are Robust
30:01 Where Do They Fit In Market? Comps w/ Magni Unity & Midgard + Modius e
38:31 Are the EF499 & EF500 Worth Their Prices?
45:38 Final Thoughts