Unlike other headphones, the Sennheiser CXC 700 is designed for people who have to catch trains, buses, subways, cars and shot distance flights thanks to the proprietary NoiseGuard feature that identifies and reduces unwanted ambient noise. Engineered to function at a low frequency range, the Sennheiser CXC 700 uses noise canceling technology so that you can enjoy your music in crowded environments without missing a beat. To make it easier for business executives and lovers of life on the easy lane alike, the headphones function optimally in three distinct modes.
The guys from Sennheiser ensure make the Sennheiser CXC 700 from a marriage of dark silver plastic and black plastic with no metal to give the Sennheiser CXC 700 a glamorous look and feel. Sound quality and comfort clearly surpass any other aesthetic objectives. For convenience the ear buds also have a shirt clip which is held by the battery compartment that doubles up as a switch for the Noise Guard switch.
The battery housing is a splendid piece whenever you want to control the music player, with a volume control nested on the front. On the side are two buttons that switch easily between the three modes of noise cancellation based on the location or environment.
The first mode is optimized for use on-the-move, for instance, when you have to work or sit in loud environments for a long time. An intricate balance between low and mid frequency ranges with an average active noise cancellation of -15dB. The second mode for the Sennheiser CXC 700 is optimized for air conditioned rooms and long-haul flights with a focus on sound in the mid frequency range. The active noise cancellation is -15dB. Finally, the third mode which is optimized for commuting environments on land and in the air is optimized for low frequency sounds with active noise cancellation levels of -23dB.