Control module with 4 channels and audio output of 1.5 W, 8 ohm. Auxiliary audio input. Volume control (31 steps), memory of last volume, balance control and stereo / mono selection. General on/off and control of central plug. LCD, clock and alarm (tone or audio input) with adjustable volume. Power-on and power-off programmable . Priority paging and function "do not disturb" . Power supply 12 V DC, 330 mA maximum consumption. White RAL 9016. Dimensions 44 x 44 x 36 mm. Without frame. Flush mount on universal box.