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Old 12-01-2009
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Join Date: May 2008
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Panasonic RP-HJE900 world's First Zirconia in ear headphones for Audiophiles

Panasonic RP-HJE900, the world?s first in-ear headphones made of Zirconia. The Panasonic RP-HJE900 headphones deliver an ultra clear sound reproduction as the sound chamber made of Zirconia has less resonance than plastic or aluminum.

A sound chamber made of Zirconia has less resonance than plastic or aluminum. As a result, the RP-HJE900 in-ear headphones deliver ultra-clear sound reproduction with virtually no distortion. In addition to realistic sound, the durability of Zirconia offers audiophiles a scratchproof, ultra-tough construction for a lifetime of use. They even have detachable wires which can be replaced if they fray, as the Zirconia headphones outlast wires in the long run.

The RP-HJE900 in-ear headphones are constructed with Neodymium magnet for rich and powerful sound. They boast an impressive frequency response of 6Hz-26kHz for realistic sound with precision highs and rich low end. They have a sound pressure sensitivity of 100dB, impedance of 26Ω and 12.5 mm drivers. The cord also has a slider to prevent tangling.


Zirconia is a white crystalline oxide of zirconium dioxide (ZrO2). It is an extremely durable substance which can withstand extreme temperatures and is used as a thermal barrier coating in jet turbine and diesel engines.

The RP-HJE900 Zirconia Audiophile In-Ear Headphones are available in either black or white. They will be available in May 2009, with a suggested retail price of $229.99.
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Old 12-01-2009
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Re: Panasonic RP-HJE900 world's First Zirconia in ear headphones for Audiophiles

Panasonic RP-HJE900 has a frequency response of 6Hz-26kHz, sound pressure sensitivity of 100dB, impedance of 26ohm, and 12.5 mm drivers.
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