Corporate 02 Jul 2010

New wall mount speakers DU 31 and DU 31AT

The DU 31 and the DU 31AT are two in-wall mounting speakers with flexible design suitable for paging and background music for several type of installations. Both models are equipped with a 3.5” woofer and a 1” tweeter and, thanks to the A1331 accessory, they offer a great variety of mounting possibilities.
The DU 31 includes a multi tap line transformer for the connection to 100 V constant voltage lines. A 25 V (8 W) socket make it possible to connect multiple speakers in parallel to a constant impedance line.
The DU 31AT features a power selector to control the wattage (8 W, 4 W, 2 W, 1 W, 0.5 W at 100 V) through a rotary switch on the front panel.
Thanks to the A1331 surface mount accessory kit is possible to quickly and easily install the DU 31 and DU 31AT on any flat surface offering an outstanding flexibility.