Uploaded November 2025 | Updated September 2026, 2 weeks ago

---

Thanks to Fiio for sending the K13 R2R for review!

Buy from Apos Audio (affiliate link): https://apos.audio/products/fiio-k13-r2r-desktop-dac-amp?sca_ref=1448954.julYPU81dF
Buy from Amazon (affiliate link): amzn.to/3JZf017

Want to support the channel? Consider becoming a member! Or you can join my Patreon here:

patreon.com/wavetheory1

Or make a 1-time donation through PayPal here:

paypal.com/donate/?hosted_button_id=7N7Z8WRLWQ36E

Test Gear...

FiiO K11 R2R: youtu.be/ZRwGHsOvpsg

Chain 1...

FiiO SR11: youtu.be/YuagbK8p0FA
HEDD D1: youtu.be/VEMQwuZDVBs

Chain 2...

Burson Soloist Voyager (review coming)
HiFiMan Susvara Unveiled: youtu.be/pSXKdoYg0Tc

Chain 3...

Chord 2Go + 2Yu: youtu.be/S3O7JNOJIqI
-the Chord was connected to both DACs via coax, since the 2yu has 2 coax outputs.
Schiit Mimir: youtu.be/JnT_3HpAHt0
Burson (again)
Susvara Unveiled (again)

Chain 4...

Schiit Asgard X: youtu.be/n8H8SN3Rdf4
Dan Clark E3: youtu.be/wzUqM7OJlTk
MIRPH Designs Mirph-1: youtu.be/b7AvyocYck4
Massdrop + Sennheiser HD6XX: youtu.be/02Um5rMNYS8

Timestamps...

00:00 Intro, Pricing, Disclaimer
01:23 Shameless Self Promotion
01:50 About the K13R2R
05:55 Build, I/O, Operation, Remote Control
14:32 Test Gear - See Description
15:01 Sound - As AIO
19:23 Sound - DAC...and the "But"
25:15 Sound - With PL50 LPS
26:43 Sound - The DAC & Amp Complement
28:33 DAC Comparison with Schiit Mimir
38:30 AIO Comparison with Schiit Asgard X w/ MESH card
41:21 Conclusions