TV Ears Digital Wireless Speaker System, Place near your chair or couch, transmitter connects to both Digital and Analog TV's and is compatible with TV Ears headsets, TV Hearing Aid Devices, Hearing Assistance for Seniors, Hard of Hearing, Voice Clarifying, Dr Recommended-11290 Voice Clarifying Circuitry makes television dialogue easy to understand For best use: MUTE TV Volume and use speaker in place of TV Sound not in conjuction with TV Sound Headset jack located on front of speaker accommodates any standard headset or headphones Audio input connection for music player or smartphone - Sleek and compact design with a large easy-to-use volume dial Television and headset volume function separately Works with any brand of television. Digital connectivity with Dolby, SRS, and PCM compatibility