346991 BTicino Tegui 2-Wire Audio Module, 8 Calls | BUS SCS

The BTicino/Tegui 2-Wire Audio Module for 8 Calls (ref. 346991) is the central audio component for video door entry installations with the 2-wire BUS SCS system. It manages up to 8 independent calls (8 residences or call points) and can be expanded with expansion modules for buildings with more subscribers.

What is the 346991 audio module used for?

In 2-wire BUS SCS installations, the audio module is the system’s audio control unit. It receives the call from the entrance panel, routes it to the corresponding residence monitor, and manages voice communication between the visitor and resident. The 346991 natively supports up to 8 subscribers.

How can you expand beyond 8 calls?

By adding 346992 expansion modules in cascade, each one adds 8 additional calls. For 16 subscribers: 1 unit of 346991 + 1 unit of 346992.

Compatibility

• System: 2-wire BUS SCS BTicino/Tegui
• Expandable with: 346992 (expansion modules)
• Compatible with Sfera New and Línea 3000 entrance panels
• Brand: BTicino (Tegui equivalent)

Specifications

• Reference: 346991
• Base capacity: 8 calls
• Expandable: yes, with 346992 modules
• System: 2-wire BUS SCS
• Brand: BTicino (Tegui)

Do you need more than 8 calls? See the 346992 expansion module.