Four-family house kit switch with 1x mini hands-free, SB2. This kit is completely pre-addressed when delivered and only needs to be installed and connected electrically. A maximum of 4 indoor audio or video stations can be installed in master/slave mode per participant. This kit consists of: 1x front panel switch Art. IX0104, 1x flush-mounted housing Art. IX9150, 1x video loudspeaker Art. 4681/4, 1x power supply Art. 1210A, 1x indoor video station mini HF Art. 6721W, 1x branch terminal Art. 1214/2C and 1x terminating resistor Art. 1216.
