General Information
RP-HC700 Noise Canceling Headphones 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. 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; Hard case included; 34 hours long operation time with 1xAAA Alkaline battery; Frequency response 10Hz - 30kHz; Black Color.
