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JVC Full-size Headphones Series
JVC is introducing a new series of full-size headphone HA-RX900, HA-RX700, HA-
RX500 and HR-RX300. Among all, the HA-RX900 is the top of RX series features
high-quality dynamic sound reproduction with 50mm Neodymium driver unit and two
types of superior sound structure which is the JVC original technique. The two superior
structures named Ring Port Structure and Acoustic lenses.
Ring Port Structure
Ring Port Structure provides high-quality dynamic sound. With a ring port structures
sound ports located in a circle behind the driver unit, the sound pressure in headphone
housing is equalized, realizing stable amplification in the unit as a whole.
Acoustic lenses