JVC HP DX700

HP-DX700, featuring one piece solid wood cabinet to form a cylindrical sound chamber equivalent to a fixed direct driver unit. The high quality sound output, according to JVC, can be further reduced in vibration and resonance departments with its solid wood enclosure; despite having a infrasound range extended as low as 5hz, and ultrasound range up to 30khz. The range of hearing for a healthy human being is 20 to 20khz.