SPECTRA TANGENT

Computer networked sound masking equipment, namely, speakers, control units for adjusting volume and contour levels of sound and for monitoring the network; interfacing devices for computer networked sound masking equipment, namely, routers and hubs, power supplies, controllers, relays, analog to digital converters, digital multiplexing devices, digital control devices, IR receivers; electronic sound masking equipment, namely, controllers, power supplies, speakers, horns for speakers, electro-acoustic transducers, sound emitters, and routers and hubs for connecting the equipment