With total harmonic distortion of less than 0.08 percent (at 1 kHz and 100 dB
sound pressure level) and thanks to a coil wire made from
pure aluminium, the HD 630VB achieves an unaltered
sound image with a precise
reproduction of voices and instruments in the mid-ranges and brilliant trebles.
◆ Φ 5.78 mm driver unit Realize the expressive medium and low frequency
reproduction and ultra small micro driver unit with a tight and balanced
sound ◆ flexible cable Transmission loss flexible cable used to allow less -
pure sound transmission OFC (oxygen free copper) ◆ carbon + aluminum housing Light - weight and high strength and excellent damping in carbon fiber and cut out aluminum composite reinforced body Suppress unwanted resonance vibrations and maximize performance of the driver.