Uploaded January 2026 | Updated September 2026, 2 weeks ago

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Thanks to Effect Audio for sending the Code Mk IIs for review!

Buy from Effect Audio...
Code 23Mkii: effectaudio.com/products/code-23-mk-ii
Code 24Mkii: effectaudio.com/products/code-24-mk-ii

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patreon.com/wavetheory1

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paypal.com/donate/?hosted_button_id=7N7Z8WRLWQ36E

My Code 23 & 24 mki review: youtu.be/uVnxa0ViQlc

Test Gear...

Headphones used...

Focal Utopia OG/2020 (1): youtu.be/sqHjnH6EdM4
(2): youtu.be/tb3le-TwGnQ
HEDD D1: youtu.be/VEMQwuZDVBs
HiFiMan HE1000 Unveiled: youtu.be/pSXKdoYg0Tc
HiFiMan Susvara Unveiled: youtu.be/WI1gnx2tD7s

Source gear...

Ferrum Stack, WANDLA GSE (youtu.be/Qh1b-XFH7R8) into Oor (youtu.be/xUsRyoBPdyk)

Sonore opticalRendu USB into Berkeley Alpha USB DDC (youtu.be/94AvDeeRjHA); AES into Berkeley Alpha S2 DAC (youtu.be/JY3c4HEyH0s); XLR into LTA Z10e amp (youtu.be/Bft6HUsYDhE)

Timestamps...

00:00 Intro, Pricing, Disclaimer
01:14 Shameless Self Promotion
01:41 About the Code Mk IIs
08:48 Sound
13:16 Comparison with Zynsonix Ballista Octet
16:57 Wrap Up