Sennheiser HD820

Specs:

• Driver Type: Dynamic
• Headphone Design: Over-Ear, Closed-Back
• Frequency response: 12 - 43800 Hz (-3 dB)
  6 - 48000 Hz (-10 dB)
• Sound Pressure Level(SPL): 103 dB at 1 kHz, 1V
• Impedance: 300 Ohm
• Cable Length: 9.8' (3m)
• Cable Connectors Included: 1/4", 4-pin XLR, 4.4mm Pentaconn
• Weight: 360g
• Package Weight: 10 lbs
• Package Dimensions(LxWxH): 16.3 x 14.1 x 7.0"

What's In The Box:

• Sennheiser HD 820 Closed-Back Stereo Over-Ear Headphones
• 10' Connection Cable
• 1/4" Stereo Connector
• 4.4mm Pentaconn Stereo Connector
• XLR 4-Pin Connector
• USB Flash Drive with Manual and Frequency Response Curve
• Microfiber Cloth
• Storage Box
• Limited 2-Year Warranty