Koss SB/40

A communications headphone is a model that has a microphone attached to the headphone. A communications headphone may have a variety of uses, DJ and home recording, telephony or with voice recoginition and voice activation computer software. While delivering similar features as a conventional headphone, a communications headphone allows you to communicate or record.

Features:

• Stereophone with dynamic microphone for hands-free communication from your personal computer
• Dynamic microphone for optimized pick up pattern
• Closed leatherette ear cushions for maximum isolation and deep bass
• Adjustable, cloth sling and headband for added comfort during extended wearing periods

Specifications:

• Frequency Response: 20 Hz - 20 kHz
• Distortion: less than 0.2%
• Impedance: 120 ohms
• Sensitivity: 96 dB SPL / 1mW
• Cord: Straight, Dual entry, 9 feet
• Plug: 3.5 mm
• Weight: 10.6 oz.