Features:
• In addition to being very high quality headphones for general listening, HD500A headphones have been design specifically for use with Therapeutic Therapy.
• "BioNetic" design offers comfort for children and adults
• Padded, adjustable headband
• Supra-aural, semi-open aire design
• Improved audio technology (see features & specifications below)
• Sennheiser patented dampening element for controlling diaphragm oscillation
• Duofol diaphragm to reduce standing waves
• Computer-optimized magnet systems minimize harmonic and intermodulation distortion
• Detachable, 9.8-foot single-sided OFC (oxygen-free copper) cable
• Fully modular parts for easy repair
• Fresh, balanced sound and powerful clear delivery of higher harmonics
• Soft velour ear cushions