M&s Systems 3- Or 4-wire Retrofit Music And Communication System Master Unit (white)

Designed to provide updated functionality & styling in home with existing intercom systems
Runs on existing wires
Replaces 3 4 & 6 wire
30W RMS power drives up to 15 room stations & 3 door speakers
30% smaller than previous models
2 music source inputs & 8 AM/8 FM music station presets
Stereo upgrade path with optional power amp
Remote speaker volume & source control
Intercom-only & door release features
White
15.25"
x 15.31"