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- Lightweight open-air headphones are comfortable to wear, even for extended periods; also allow you to hear ambient sound
- 30 mm diameter drive units are larger than most headphones for noticeably deeper bass, lower distortion and wider dynamic range; frequency response extends down to a low 18 Hz
- Ferrite magnets for high energy in a modest size; help produce ample sound output-100 dB sensitivity
- PET diaphragms ensure high rigidity for minimum distortion; low mass for high-frequency response all the way out to 20,000 Hz
- Sony Acoustic Turbo® Circuit for high efficiency; gets high sonic output from your portable stereo; extends bass response
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