Uploaded September 2025 | Updated September 2026, 2 weeks ago

---

Thanks to Koss for sending the KPH30(i) for review!

Buy from Amazon (affiliate links)...

wired: amzn.to/3JVF78X
wireless: amzn.to/45Xf75x

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

My other Koss reviews:

Porta Pro: youtu.be/XMJYjwTA1vE
Porta Pro Wireless: youtu.be/wTYPybtMOmg

Timestamps...

00:00 Intro, Pricing, Disclaimer
01:05 Shameless Self Promotion
01:32 About the KPH30 series
02:36 Quick Review of KPH30i wired
04:54 Wireless Build
08:23 Test Gear & What Controls the Volume?
13:12 Sound