Sony wh-rf400
general features
volume control
yes (rotary)
headphone type
dynamic
usage time
maximum 20 hours
cord length
n/a
magnet
neodymium
impedance (ohm)
32 ohm (1 khz)
plug
n/a
frequency response
10 hz-22,000 hz
charge time
approx. 7 hrs (full charge)
cord type
n/a
driver unit
1.57"
diaphragm
pet
wearing style
over-ear
sensitivities (db/mw)
100 db/mw
comes with stand