Check the listing for details. RETRO Intercom System With Bluetooth Replaces Nutone 9-Room. Condition: New. Listed at 1665.50 USD. The Intrasonic Retro Intercom Kit is a replacement for older model NuTone Intercom Systems. This package allows you to use your existing wiring when replacing your old intercom system. Features include: ---A built-in AM/FM radio with 10 preset options. ---A Portable Music Player to plug and play downloaded or streamed music from a wide variety of MP3 devices. ---USB connectivity to charge your MP3 device as it plays. ---Optional Bluetooth Receiver to set inside the docking area to stream music from a nearby smart phone or tablet. ---Hands free operation with an IREMOTE control option. ---The ability to select from 2 music source options in every room, enabling different music sources to be played in different rooms. ---For example, you could listen to the radio in one room and your MP3 player in another.