SENNHEISER HMD 300 PRO - Broadcast headset with ultra-linear headphone response (dual sided, 64 ohm) and microphone (hyper-cardioid, dynamic). Includes (1) HMD 300 PRO headset and (1) wind and pop screen. Cable sold separately
Headphone Impedance Demystified: Do I Need a Headphone Amp? - Headphonesty
Beyerdynamic DT 109 400 ohm Headset (cable not included) Gray | Guitar Center
K100 300 Ohm High Impedance Open Back Headphone 50MM HiFi Headset Natural Wood Housing OFC 8 Strand Cable|Headphone/Headset| - AliExpress
What Does Ohm & Impedance Mean In Earphones/headphones?
Beyerdynamic DT 770 Pro 80 ohm Closed-back Studio Mixing Headphones | Sweetwater