Sound tuning by a mastering engineer
foldable perfect to carry
Large 40mm driver
Comes with an original pouch bag
Type: enclosed dynamic headphones
Maximum output sound level: 500mW
Playback frequency range: 20~22,000 Hz
Weight (including cable): 243g
Plug: ?3.5? gold-plated screw-type stereo 2 way plug
Cable length: 1.5m
Please always use the Phonon 4000 at a moderate sound level for safety and ear protection.
Please be cautious not to pinch your fingers in between the hinges and other parts.
Please do not disassemble, re-fashion or attempt to take apart the Phonon 4000.
Please avoid dropping, jarring, or roughly handling the Phonon 4000.
To prevent accidents related to broken wires, always handle the the Phonon 4000 cord using the connection plug.
In public spaces, please be considerate and keep the volume at a level that does not affect other people.
The earpads may deteriorate with use, and influence the sound quality of the headphone. We recommend changing the earpads approximately every 2 years.