MWCA 402 consists of two ceiling loudspeakers for installation, one amplified and the other passive. The active unit integrates a 2x40W RMS amplifier and output connections for the passive unit. They integrate a 6.5 "woofer and a 1" tweeter. They are made of white ABS plastic and incorporate a grid fixed with magnets. You can connect via Wi-Fi and Bluetooth with smartphones or devices capable of sending streaming audio files, configuring with the MUZO Player application (iOS and Android), being possible to group several units, assign channel (L or R) and control the volume. Each pair of devices includes a remote control to avoid smartphone use once the speakers are connected and playing.