The Auvitran AV-WALL-DT4i is a compact and cost-effective Dante Mic/Line audio network interface wall plate. It has an internal mixer feature which allows up to four lines of audio line mixing to four Dante channels. The AVWALL-DT4i allows for Mic pre-amplification adjustments can be carried out either remotely or locally and can be adjusted by 1dB per step. The AV-WALL-DT4i is PoE, therefore you only need one Cat5e/6 cable to connect the power, control and transmission.