Sennheiser RS 175 Digital Wireless Headphone Syste

Giving you access to personal virtual surround-sound - the RS 175 Digital Wireless Headphone System from Sennheiser consists of a pair of HDR 175 headphones - and a TR 175 transmitter The TR 175 features an analog 1/8 stereo input along with a digital optical input for connectivity to a variety of audio and home entertainment systems - and functions both as a transmitter and charging station for the headphones You can connect up to 2 headphones to the TR 175 - by using an additional set of HDR headphones (not included) The HDR 175 headphones have a closed - circumaural design - and have dynamic bass boost and virtual surround sound modes - allowing you to customize playback Analog and optical audio cables are included - along with 2 AAA rechargeable batteries

Features: 2.4 GHz Frequency Band, Closed Circumaural Headphones, Includes Rechargeable Batteries, Dynamic Bass & Virtual Surround Sound, Analog & Digital Optical Inputs, Transmitter Base & Charging Station

Item Type: Headphone System

Number of Included Headphones/Receivers: 1x Headphone

Number of Included Transmitters: 1

Wearing Style: Dual Ear with Headband

Earpiece Design: Over-Ear (Circumaural)

Open/Closed-Back: Closed-Back

Sound Field: Stereo

Driver Type: Dynamic

Active Noise Cancellation: No

Frequency Response: 17 Hz to 22 kHz

Maximum Sound Pressure Level (SPL): 114 dB at 1 kHz

Volume Limiting / Child-Safe: No

Built-In Controls: Yes - on Right Earpiece

Built-In Mic: No

Wireless: 2.4 GHz Radio/RF

Wireless Range: 328' / 100 m

Wired Audio Connector: No Wired Audio Support

Cable Design: No Wired Audio Support

Mobile App Compatible: No

Runtime: 18 Hours

Charging Input: No Internal Rechargeable Battery

Number of Channels: 2

Inputs/Outputs: 1x 1/8-inch / 3.5 mm1x Optical TOSLINK

Number of Charging Ports: 1

Color: Black

Weight: 11 oz / 310 g (with Batteries)