Equipped with weatherproof Mylar speakers and highefficiency electret microphones, the audio modules amplify the two-way audio signals in the system.
The range features two style alternatives, each one with different modules implementing a variety of technologies and functions.
Common features include:
• Separate speech volume adjustments from the front
• Electronic call tone generation
• Acoustic call confirmation tone (mutable)
• Second electronic tone (for floor calls) generated by the AV 1142 power supply
• Audio disconnector for systems with privacy function
• Rising-clamp terminal block
• Timed and programmable door lock release.

Compact Range
Characterised by higher audio efficiency, it includes also modules with two built-in call buttons. Door lock release programmable from 2.5 to 10 seconds. The '1+n' technology modules (AV 0052/20 and AV 0052/22) generate electronic calls and are suitable for speaker and buzzer installations. If desired, they can also be used as replacements for models AV 0052/02 (GCM 3000/2) in connection with video modules AV 0060 (GVM 3000) and AV 0078 (GVCM 3000).

Elegant Range
Characterised by a perforated dome front without calling buttons. Door lock release programmable from 3 to 30 seconds. Built-in microphone which can be moved to the next module. The '1+n' technology modules (AV 0052/02) can be used in combination with the AV 0060 (GVM 3000) and AV 0078 (GVCM 3000) video modules in Elegant video doorphone panels.

Audio modules within the Elegant range are available for different
system technologies:

· '1+n' audio
· '4+n' audio

Speech volumes can be adjusted from the front without needing to pivot the module.

CODE
DESCRIPTION
AV0052/02
Audio module “1+n” GCM3000/2
AV0052/05
Audio module “4+n” GCM3000/5