Sony 2007 PFR-V1 Personal Field Speaker redefines the world of sound with a mimics audiophile grade front-facing speakers. It is first in the market to separate bass from mid and treble frequencies so that users can hear even better sound.
Bass sounds are reproduced through a new “extended bass reflex duct” which extends directly into the ear canals. Mid and treble frequencies are projected through the two unique looking spheres towards the ears just like a pair of two perfectly positioned speakers. This result in an extended frequency playback of 35Hz to 25KHz, with better frequency separation. The PFR-V1 comes with ultra large drivers of 21mm for superb sound reproduction. It is priced at $499.99

Specifications
Impedance: 16 ohms at 1 kHz
Mass: Approximately 7g (the cord/code excluding
Frequency Range: 35-25,000Hz
Sensitivity: 93dB/mW
Max input: 60mW
Power Source: 2 x AAA batteries
Playback time: Approximately 45 hours
Cord/code: 1m
Plug: Gold plated stereo mini- plug
Weight: 93g

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