Alpha Communications Speaker/Mic Module
Best audio upgrade for 2-wire bus intercom system maintenance.
This module is the essential upgrade for anyone looking to sharpen the audio clarity of their existing two-wire intercom setup. While it lacks the bells and whistles of modern smart systems, it trades complexity for rock-solid reliability and a straightforward installation that just works when you need it most.
$213.74
at
Security Gear Supply
Who it's for
- Property managers maintaining existing S.T.R. intercom infrastructure
- Installers seeking efficient, low-complexity wiring solutions
- Residents needing reliable, clear two-way communication
Who should skip it
- Users looking for universal, brand-agnostic replacement parts
- DIYers uncomfortable with opening delicate electronic hardware
- Budget-conscious buyers seeking generic, low-cost alternatives
Performance breakdown
Audio Clarity
Delivers crisp, intelligible voice transmission essential for secure door entry communication.
Installation Simplicity
Straightforward 2-wire setup minimizes downtime and simplifies modular panel integration.
Build Durability
Robust construction ensures reliable operation in high-traffic, daily-use environments.
System Compatibility
Highly specialized for S.T.R. 2-wire bus systems, limiting broader cross-brand utility.
Signal Reliability
Maintains consistent, stable connection integrity across the proprietary bus interface.
Maintenance Ease
Modular design allows for quick component swaps without complex rewiring efforts.
Key Specs
Weight
0.4 lbs
Dimensions
3.94" x 3.94" x 0"
Compatibility
HT3011 type handsets
System Interface
S.T.R. 2 wire 'Bus'
Panel Compatibility
Modular style panels
Accessory Type
Microphone
Connection Type
Proprietary Connector
Connection Interface
2-Pin Connector
Know before you buy
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Ask Metto anything about the Alpha Communications Speaker/Mic Module before you decide.
