Panasonic RP-HC31E-K Black

The RP-HC31E-K noise cancelling headphones with 83% noise reduction of environment noise. The design, convenient compact carry case and airline plug adaptor ensure maximum portability and make the RP-HC31 ideal for travel. With up to 50 hours of battery life on one AAA alkaline battery, reducing the need to carry spares. As surrounding noise is captured by the microphone, the electronic circuitry generates a signal of the opposite phase, that is to say, peaks and valleys are reversed. The sound with the reversed phase is emitted by the driver and cancels out the noise as it enters the ear. Noise is kept low at the ear, making it possible to enjoy music without raising the volume unnecessarily. These headphones are designed to attenuate low frequency inconsonant noise of 1,500 Hz or less.

These noise cancelling headphones do not have great effect on relatively high frequency components such as automobile horns, telephone rings or the human voice.

Features

• Superb Noise Cancelling Capability
• Lightweight Noise Canceling Unit
• Built in Push to Hear Controller
• Battery Life: Approx. 50H with AAA Alkaline

Specifications

• 83% Noise Cancelling
• 50 hrs battery life
• Freq. Response: 8-22 Hz - KhZ
• Cord: 1.4m
• Drive Unit: 10.7mm