XDA-AMP5400RK - Overview - Multi-Room Amplifiers - Audio & Visual - Products - Yamaha - Other European Countries
Power Dynamics PV260BT 6 Zone Multi Room Amplifier with Bluetooth, FM Radio, USB MP3 Player, Microphone Input, Home Audio, Desktop Background Music PA System : Amazon.com.be: Electronics
What is multi-room audio: everything you need to know
8-Zone Multi-Room Audio System | Outdoor Speaker Depot
XDA-AMP5400RK - Overview - Multi-Room Amplifiers - Audio & Visual - Products - Yamaha - Other European Countries
Marshall Acton Multi Room Speaker Cream | MUSIC STORE professional