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These high quality headphones can be used with any light and sound machine or stereo source. They offer superb music reproduction as they produce a full range frequency response, to help you experience a wider range of binaural beat enjoyment. We also recommend their use with audio-only entrainment programs, whether in combination with audio-visual stimulation or alone. You will be pleasantly surprised at the enhanced results you get when used with programs such as Hemi-Sync, Hypno-Peripheral Processing, Paraliminal recordings, Brain Sync , meditation and others.