by Sonifex | Booth:

Sonifex AVN-TB6 The AVN-TB6 6 station talkback Intercom has a smaller button count for smaller talkback systems, or for areas with reduced communications needs. There are two versions, a freestanding version, AVN-TB6, which can be rackmounted with separate rack plates, AVN-TB6RK, and a desktop version in a smaller form factor with an elegant sloped front, AVN-TB6D. Both have mic & headset inputs, +48V phantom power for the mic input, headphone & speaker outputs with volume control and loudspeaker mute & mic mute buttons.