Impedance 100 Ohm (2x 50 Ohm) Magnetic HEADPHONE IDEAL for TUBE Radio CW | eBay
Headphone Impedance Demystified: Do I Need a Headphone Amp? | Headphonesty
Beyerdynamic DT 100 headphones 400 ohms, grey | Bax Music
BEYERDYNAMIC DT 100 HEADPHONES 400 ohms, closed back, black
Beyerdynamic DT100 headphones (400 ohm), Grey - Absolute Music
Purchased the BEYERDYNAMIC DT 900 Pro X yesterday for 250€ ($249). They only have 48 ohm (low ohm). I've been told I shouldn't go over 100 ohm for smartphone, laptop, tablet usage.