The Specs

Additional Specifications
Wireless Transmitter Range 300 ft
Sensitivity 106 dB
Cord Style Wireless
Battery Life 20 hour(s)
Headphone Type Enclosed
Overall Max Frequency Response 19.5 kHz
Color Black
normalized-Weight 8.08
Type of Wireless Radio Frequency (RF)
Battery Size Rechargeable Ni-MH
Overall Min Frequency Response 22 Hz
General
Warranty Information 2 Year Limited Warranty
Weight 8.1 oz
URL http://www.sennheiserusa.com/newsite/productdetail.asp?transid=009931
Quick Glance

Related Power Supplies