Panasonic RP-HC700-S Noise Cancelling Headphones

By Grissom 　http://www.noise-cancelling-headphones-reviews.com/panasonic-rp-hc700-s-noise-cancelling-headphones/

Reduces outside noise by 92% (22dB) at 200Hz
Bio-Cellulose Diaphragm reproduces pure & precise sound
Feed-forward canceling system with new driver provides high-quality sound reproduction even when noise-canceling circuit is off
Two noises cut filters for low and high sound frequencies
Ergo-design Earpads for long listening comfort

Product Description
Panasonic HC700′s high-density Diaphragm was achieved by “Bio-Cellulose” developed by the latest bio-technology. Thanks to this high-density structure, the diaphragm can be extremely solid but very light. “2.8 times higher sound velocity” are realized by this condition compared to the Normal Fiber-plant Cellulose Diaphragm.

Features Hard case included 34 hours long operation time with 1xAAA Alkaline battery… More >>