Despite its portable size, the 4400 uses the same 40mm driver as the SMB-02 embodying the unique precision tuning expertise only offered through Phonon. With unprecedented space definition and sense of speed which characterizes Phonon, the 4400 delivers powerful sound experience in a new convenient form.

Tuned by PHONON CEO and top mastering engineer in Japan, Isao Kumano, and with the unprecedented space definition and sense of speed that characterizes the PHONON sound, the 4400 is powerful!

Characteristics:
- Sound tuning by a mastering engineer
- foldable perfect to carry
- Large 40mm driver
- Comes with an original pouch bag

Specifications:
- Type: enclosed dynamic headphones
- Driver: φ40㎜
- Impedance: 46Ω
- Maximum output sound level: 500mW
- Playback frequency range: 20~22,000 Hz
- Weight (including cable): 260g
- Plug: φ3.5㎜ old-plated screw-type stereo 2 way plug
- Cable length: 1.8m (4 wires LR independent ground connection)