Pro-25 Headphones (330-1022) Features Faxback Doc. # 16383 The Realistic Pro-25 Stereo Headphones combine the latest in headphone technology with lightweight portability. Using titanium-layered diaphragms, they deliver maximum detail and high-end clarity, making them perfect for portable compact disc players. A two-layer oxygen-free voice coil and an anistropic barium ferrite magnet keeps distortion at a minimum. The frequency response is 15-25,000 Hz and the total harmonic distortion is less than 0.2% at 1 KHz at 100 dB SPL. For your convenience, a volume control is located on the headphones' cord. The headphones also include a 1/8-inch stereo plug. HEARING COMFORT AND YOUR HEALTH Do not listen at extremely high volume levels. Extended high-volume listening can lead to permanent hearing loss. TRAFFIC SAFETY Do not wear headphones while operating a motor vehicle or riding a bicycle. This can create a traffic hazard and is illegal in some areas. Even though some headphones are designed to let you hear some outside sounds when listening at normal volume levels, they still present a traffic hazard. WARNING: Turn down the volume on your stereo before you plug in your headphones. then adjust the volume to the desired level. (ALL-08/08/95)