Uploaded April 2026 | Updated September 2026, 2 weeks ago

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Thanks to Audio46 for the loan of SR-009D!

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My estat explainers and reviews...

My Estat Intro Video: youtu.be/ynox7x4V5Us
More thoughts on estats: youtu.be/_iJgn6Vjvpc

Audeze CRBN review (1): youtu.be/OxR4g5gx7iA
(2): youtu.be/5mPHYjHMKww
Audeze CRBN2: youtu.be/Br1L0UNWML4
ES Labs ES-2a: youtu.be/P9GnzsKb9yg
HiFiMan Shangri-La Jr: youtu.be/XrqWTFAAzHk
HiFiMan Shangri-La: youtu.be/1FvHASYC6Mc
STAX SR-009(s) review: youtu.be/CX7eWidQte0
STAX SR-009S: youtu.be/RmACUxFtk5o
STAX SR-X9000: youtu.be/Z3GBaT3Qkno

Compared non-estat headphones...

Audio Technica ATH-ADX7000: youtu.be/d7yjTA584go
HiFiMan HE1000 Unveiled: youtu.be/pSXKdoYg0Tc
HiFiMan Susvara OG (1): youtu.be/mZJ78eXWkt0
(2): youtu.be/oUrJx173P5M

Test Gear...

Chain 1…

Sonore opticalRendu (review coming!) USB output into Berkeley Alpha USB (youtu.be/94AvDeeRjHA) then AES into Berkeley Alpha Series 2 DAC (youtu.be/JY3c4HEyH0s) then into LTA Z10e ((youtu.be/Bft6HUsYDhE)

Chain 2…

MacMini running HQPlayer (youtu.be/T3Kqgh0NdvM) USB output into Lampizator Baltic 3 DAC (youtu.be/QShvh2rqETc) then XLR output into either the Z10e from Chain 2.


Timestamps...

00:00 Intro, Pricing, Disclaimer
00:59 Shameless Self Promotion
01:32 Setup
03:34 About 009D
07:48 Test Gear in Description
08:45 Sound
21:47 Comparisons w/ Estats (Shangri-La Jr, Corina, CRBN2)
27:02 Comparison w/ non-Estats (HE1000 UV, ATH-ADX7000, Susvara)
31:54 Conclusions