Compare UmeVoice theBoom Headset to Etymotic hf2 Headset

The world's best noise canceling microphone and Active Noise Reduction headphones for both ears in one package. Patented, award winning technology from theBoom and used both on Wall Street and by the Military. theBoom Quiet headset combines cutting edge noise reduction for the microphone as well as the speakers. Featuring UmeVoice's patented noise canceling technology for the microphone, theBoom Quiet enables users to be heard clearly regardless of the level of background noise. Using state of the art lightweight ANR (automatic noise reduction) technology for the speakers, theBoom Quiet helps protect the user's hearing from loud noises without the bulk of many ANR headsets. With innovative design, theBoom Quiet converts easily between a highly effective noise Canceling communications headset for cell phones, computers, and PDA's to a high quality noise Canceling stereo headphones for the enjoyment of audio entertainment. Less

The design of the Etymotic hf2 is fairly standard for a noise-isolating set. One thing to note, though, is that these go even further into the ear than many similar models. They come with three types of ear fittings: two sizes of triple-flange tips and one set of extra-long foam tips. Less