Hidden master amplifier module with independent bluetooth® connectivity. Multiroom function to listen music of other master modules from other rooms, using only 3 wires and through 41514 remote control only. Direct connection to 115/230 V~. Stereo output per channel 2 x 4 W min loudspeakers (1 per channel), 6 W max per loudspeaker (speaker cable included). Other connections: - 8 x 16 W loudspeakers (4 per channel), 1.5 W per loudspeaker. - 16 x 32 W loudspeakers (8 per channel), 0.75 W per loudspeaker. 2 x 2", HQ audio loudspeakers, with white plastic grille and fixing springs. Built-in connector for external FM antenna. FM/RDS, auxiliary INPUT, multiroom service, clock and alarm controlled only by 41514 remote control. Compact format for ø65 mm holes, for an easy way to placing in false ceiling or walls. Finish: white.