Beyerdynamic T 90 Open Dynamic Premium hi-fi Headphone
Transmission type:Wired
Headphone design (operating principle):Open
Headphone impedance :250 ohms
Headphone frequency response :5 - 40,000 Hz
Nominal sound pressure level :102 dB (1 mW / 500 Hz)
Construction Sound coupling to the ear:Circumaural (around the ear)
Cable & plug:Gold vaporised mini stereo jack plug (3.5 mm) & 1/4" adaptor (6.35 mm)
