The Sennheiser HDR 120 RF wireless headphones are an inexpensive supplementary or expansion set, operating in the 863MHz or 926MHz variant frequency range, and designed for use with Sennheiser's RS 120 Hi-Fi or television wireless headphone monitoring system. These headphones feature extended low frequency reproduction, a supra-aural, open-back design, and NiMH rechargeable battery operation with a 20 - 25 hr. battery life.
Note: The Sennheiser RS 120 Wireless Headphone Monitoring System is required to use this product.
|Type||Supra-Aural Open Back RF Wireless Dynamic Stereo Headphones|
|Frequency Range||22 Hz - 19.5 kHz|
|Transmitting Frequency Range||
863 - 865 MHz
926 - 928 MHz(Receiving)
|Maximum Input Power||Not Applicable|
|Dimensions (WxDxH)||Not Specified by Manufacturer|
|Weight||8.1 oz (230 g)|