$110 off Koss Pro4AAA Titanium Stereophones

Koss PRO4AAAT headphones feature titanium coating on 2 mil mylar diaphragms for a frequency response of 10-25,000 Hz. Oxygen-free copper voice coils improve signal transmission and conduction for accurate sound. Computer optimized ferrite magnet structures provide deep bass and treble clarity.

• High-quality stereophones designed for professional recording and broadcast applications
• Closed, vinyl Pneumalite ear cushions seal tightly around the ear for improved isolation
• 2 mm mylar diaphragms with titanium coatings deliver unmatched performance
• 10 Hz to 25 kHz frequency response; earcups fold flat for convenient travel and storage
• 8-foot cord, 3.5 mm plug with 6.3 mm adapter included
• Includes sleek protective case; no-questions-asked lifetime warranty