Legrand Bticino 351100 Sfera Speaker Module Suitable for 2 Wires Audio & Video Systems

Sfera Speaker Module – Audio/Video Communication Module for 2-Wire Systems with Status LEDs & Door Lock Control

This Sfera Speaker Module is designed for use in 2-wire audio and video door entry systems. Equipped with adjustable microphone and loudspeaker volumes, it supports up to 100 call buttons when used with additional pushbutton modules. It also manages direct door lock release and includes connection points for a local pushbutton. With front-mounted LED indicators and an integrated optical sensor for night backlighting, this module offers reliable performance and clear status feedback in residential or commercial systems.

• Audio & Video System Compatibility: Suitable for 2-wire systems, supporting clear communication via adjustable microphone and speaker.
• Scalable Call Management: Handles up to 100 calls when expanded with double-row pushbutton modules.
• Integrated Door Lock Control: Connect directly to an electric lock via S+ and S– clamps (18V 4A impulse, 250mA holding, 30Ω max), with local pushbutton support via PL terminals.
• Status LED Indicators: Front-facing LEDs indicate door release, communication active, call status, and system busy.
• Backlit with Light Sensor: Built-in optical sensor automatically activates night backlighting for improved visibility.

Technical Specification

• System Type: 2-wire audio/video
• Volume Control: Adjustable microphone and loudspeaker levels
• Call Capacity: Up to 100 call buttons with expansion modules
• Door Lock Output: 18V, 4A impulse / 250mA holding (30Ω max)
• Pushbutton Input: PL clamps for local release
• Status Indicators: Door release, communication, call active, system busy
• Backlighting: LED night lighting with optical sensor
• Configuration: Via physical configurators or TiSferaDesign software
• Accessories: Requires surround plate for installation

✅ Choose the Sfera Speaker Module for scalable, configurable 2-wire audio/video communication with integrated lock control and visual status indication!