Beyerdynamic Dt 990 Pro 250-ohm Open Studio Headphone With Knox Gear Cable : Target
Metal Oxide Resistor 250 Ohm 5 Watt | Jameco Valuepro
Amazon.com: beyerdynamic DT 770 PRO 250 Ohm Over-Ear Studio Headphones in Black. Closed Construction, Wired for Studio use, Ideal for Mixing in The Studio : Musical Instruments
Beyerdynamic DT 990 Pro 32 ohm vs 250 ohm: All doubts Answered!