The Bticino S4028A Sfera Basic Speaker Module 351000 is equipped with volume controls for the speakers and microphone. It can handle up to 100 pushbutton calls by adding double row pushbuttons. It may be used to open an electrical door lock directly connected to the S+ and S- clamps (18 V 4 A impulsive - 250 mA holding current 30 Ohm max) as well as a local door lock release pushbutton attached to the PL clamps. To be finished with a surround plate. Physical configuration of the device is required.

Brand New - A brand-new, unused, unopened, undamaged item in its original packaging.

This item comes with a 12-month manufacturer's warranty.

• Sfera Basic speaker module for 2 wire audio systems 
• Fitted with loudspeaker and microphone volume adjustment 
•  manages up to 100 pushbutton calls using additional double row pushbuttons
• used for opening an electrical door lock directly connected to the S+ and S- clamps

• Bticino S4028A Sfera Basic Speaker Module 351000
• User Guide

Do you have a question about this product? Please call 1800 90 90 99.