My Favorite Headphone

My Favorite Headphone
Open-air, on-ear Foldable Mini Headphone - No Bluetooth


Koss Porta Pro® (available)

Stereo
Frequency Response: 15-25.000 Hz
Impedance: 60 ohms
101 dB SPL/1mW
Connectivity Technology: Wired
Cable Length: 4 ft (1.2 m)

https://www.koss.com/headphones/on-ear-headphones/porta-pro


Sennheiser PX 100 (discontinued)

Stereo
Frequency Response: 15-27.000 Hz
Impedance: 32 Ohm
114 dB
Connectivity Technology: Wired
Cable Length: 1.40 m

https://www.whathifi.com/sennheiser/px-100/overview
https://hometheaterreview.com/sennheiser-px-100-headphones-reviewed/