B2B Tech Supply
  • Networking
    • Transmission Specialty Hardware
  • Video Surveillance
    • Security Cameras
    • Surveillance Video Recorders
    • Video Surveillance Prepackaged Kits
    • IP Surveillance Video Recording Software
    • CMS, Mobile and Video Analytics Software
    • Video Surveillance Keyboards and Joysticks
    • Video Encoders and Decoders
    • Power
    • License Plate Capture and Recognition
  • Access Control
    • Access Control Systems
    • Access Control Credentials
    • Access Control Keypads
    • Exit Devices, Buttons and Switches
    • Locking Devices
  • Alarm Systems
    • EDGE Series Systems and Components
    • GC2e Series Systems and Components
    • Rely Series Control Panels and Kits
    • Motion Sensors
    • Contacts and Switches
    • Glass Break and Shock Sensors
    • Alarm System Notification Devices
    • Push Buttons, Disconnect Cords and Sensors
    • Personal Safety and Alarm Systems
    • Driveway Alert Systems
    • STI Alarms and Chimes
    • STI Alarm and Chime Accessories
    • Potter Door Annunciators and People Counters
  • Intercom
    • Telephone Entry Intercom Systems
  • Push Buttons
    • 3-in-1 Button Kits
    • Abort Buttons
    • Custom Buttons
    • Emergency Buttons
    • Emergency Exit Buttons
    • Emergency Power Off Buttons
    • Emergency Stop Buttons
    • Evacuation Buttons
    • Exit Buttons
    • Fire Buttons
    • Fuel Pump Shut-Down Buttons
    • HVAC Shut-Down Buttons
    • Lockdown Buttons
    • No Text Buttons
    • Push to Exit Buttons
    • Alert Point Buttons
    • Global Reset Series Buttons
    • Universal Buttons
    • Button Covers
    • Button Enclosures
    • Button Accessories
    • Spanish Buttons
  • More
    • AV / Automation
    • Fire and Safety
    • Tools
    • Boxes, Cabinets and Enclosures
    • 2GIG Accessories
    • CG3/GC3e Radios and Antennas
    • Dormakaba RCI Electromagnetic Locks
    • Dormakaba RCI Electric Strikes
    • Dormakaba RCI Electric Locks
    • Dormakaba RCI Power Supplies
    • Dormakaba RCI Switches
    • Dormakaba RCI Keypads & Readers
    • Dormakaba RCI Exit Devices
    • Dormakaba RCI Specialty Locks
    • Linear Access Control
    • Linear Audio/Video Distribution
    • Linear Gate Operators
    • Linear Intercom & Communication Solutions
    • Linear Radio Control
    • Linear Security Solutions
    • Linear Video Surveillance
    • Seco-Larm Access Control
    • Seco-Larm Enforcer Video
    • Seco-Larm CCTV Accessories
    • Seco-Larm RF Wireless
    • Seco-Larm Burglar Security
    • Seco-Larm Audio/Video
    • Seco-Larm Vehicle Security
    • STI Accessories
    • STI Services
    • Deals of the Week
  • Frequently Asked Questions
  • Privacy Policy
  • Returns
  • Delivery Information
  • Sign in
  • Register
  • US Dollars
Vertical Categories
B2B Tech Supply
0
Over 500,000 items available for wholesale purchase.
  • My Account
    • Sign in
    • Register
  • Wish Lists
  • Compare
  • Check out
B2B Tech Supply
  • Hello, sign in My Account
    • Sign in
    • Register
  • My Cart

    0 items $0.00
All Categories
  • Networking
    • Transmission Specialty Hardware
  • Video Surveillance
    • Security Cameras
    • Surveillance Video Recorders
    • Video Surveillance Prepackaged Kits
    • IP Surveillance Video Recording Software
    • CMS, Mobile and Video Analytics Software
    • Video Surveillance Keyboards and Joysticks
    • Video Encoders and Decoders
    • Power
    • License Plate Capture and Recognition
  • Access Control
    • Access Control Systems
    • Access Control Credentials
    • Access Control Keypads
    • Exit Devices, Buttons and Switches
    • Locking Devices
  • Alarm Systems
    • EDGE Series Systems and Components
    • GC2e Series Systems and Components
    • Rely Series Control Panels and Kits
    • Motion Sensors
    • Contacts and Switches
    • Glass Break and Shock Sensors
    • Alarm System Notification Devices
    • Push Buttons, Disconnect Cords and Sensors
    • Personal Safety and Alarm Systems
    • Driveway Alert Systems
    • STI Alarms and Chimes
    • STI Alarm and Chime Accessories
    • Potter Door Annunciators and People Counters
  • Intercom
    • Telephone Entry Intercom Systems
  • Push Buttons
    • 3-in-1 Button Kits
    • Abort Buttons
    • Custom Buttons
    • Emergency Buttons
    • Emergency Exit Buttons
    • Emergency Power Off Buttons
    • Emergency Stop Buttons
    • Evacuation Buttons
    • Exit Buttons
    • Fire Buttons
    • Fuel Pump Shut-Down Buttons
    • HVAC Shut-Down Buttons
    • Lockdown Buttons
    • No Text Buttons
    • Push to Exit Buttons
    • Alert Point Buttons
    • Global Reset Series Buttons
    • Universal Buttons
    • Button Covers
    • Button Enclosures
    • Button Accessories
    • Spanish Buttons
  • More
    • AV / Automation
    • Fire and Safety
    • Tools
    • Boxes, Cabinets and Enclosures
    • 2GIG Accessories
    • CG3/GC3e Radios and Antennas
    • Dormakaba RCI Electromagnetic Locks
    • Dormakaba RCI Electric Strikes
    • Dormakaba RCI Electric Locks
    • Dormakaba RCI Power Supplies
    • Dormakaba RCI Switches
    • Dormakaba RCI Keypads & Readers
    • Dormakaba RCI Exit Devices
    • Dormakaba RCI Specialty Locks
    • Linear Access Control
    • Linear Audio/Video Distribution
    • Linear Gate Operators
    • Linear Intercom & Communication Solutions
    • Linear Radio Control
    • Linear Security Solutions
    • Linear Video Surveillance
    • Seco-Larm Access Control
    • Seco-Larm Enforcer Video
    • Seco-Larm CCTV Accessories
    • Seco-Larm RF Wireless
    • Seco-Larm Burglar Security
    • Seco-Larm Audio/Video
    • Seco-Larm Vehicle Security
    • STI Accessories
    • STI Services
    • Deals of the Week
  • Home
  • Frequently Asked Questions
  • Privacy Policy
  • Returns
  • Delivery Information
  • Home
  • More
  • Fire and Safety
  • Potter Voice Systems
  • EVX-BA100 Evax by Potter Backup Amplifier Switching Module
All Categories
  • Networking
    • Transmission Specialty Hardware
  • Video Surveillance
    • Security Cameras
    • Surveillance Video Recorders
    • Video Surveillance Prepackaged Kits
    • IP Surveillance Video Recording Software
    • CMS, Mobile and Video Analytics Software
    • Video Surveillance Keyboards and Joysticks
    • Video Encoders and Decoders
    • Power
    • License Plate Capture and Recognition
  • Access Control
    • Access Control Systems
    • Access Control Credentials
    • Access Control Keypads
    • Exit Devices, Buttons and Switches
    • Locking Devices
  • Alarm Systems
    • EDGE Series Systems and Components
    • GC2e Series Systems and Components
    • Rely Series Control Panels and Kits
    • Motion Sensors
    • Contacts and Switches
    • Glass Break and Shock Sensors
    • Alarm System Notification Devices
    • Push Buttons, Disconnect Cords and Sensors
    • Personal Safety and Alarm Systems
    • Driveway Alert Systems
    • STI Alarms and Chimes
    • STI Alarm and Chime Accessories
    • Potter Door Annunciators and People Counters
  • Intercom
    • Telephone Entry Intercom Systems
  • Push Buttons
    • 3-in-1 Button Kits
    • Abort Buttons
    • Custom Buttons
    • Emergency Buttons
    • Emergency Exit Buttons
    • Emergency Power Off Buttons
    • Emergency Stop Buttons
    • Evacuation Buttons
    • Exit Buttons
    • Fire Buttons
    • Fuel Pump Shut-Down Buttons
    • HVAC Shut-Down Buttons
    • Lockdown Buttons
    • No Text Buttons
    • Push to Exit Buttons
    • Alert Point Buttons
    • Global Reset Series Buttons
    • Universal Buttons
    • Button Covers
    • Button Enclosures
    • Button Accessories
    • Spanish Buttons
  • More
    • AV / Automation
    • Fire and Safety
    • Tools
    • Boxes, Cabinets and Enclosures
    • 2GIG Accessories
    • CG3/GC3e Radios and Antennas
    • Dormakaba RCI Electromagnetic Locks
    • Dormakaba RCI Electric Strikes
    • Dormakaba RCI Electric Locks
    • Dormakaba RCI Power Supplies
    • Dormakaba RCI Switches
    • Dormakaba RCI Keypads & Readers
    • Dormakaba RCI Exit Devices
    • Dormakaba RCI Specialty Locks
    • Linear Access Control
    • Linear Audio/Video Distribution
    • Linear Gate Operators
    • Linear Intercom & Communication Solutions
    • Linear Radio Control
    • Linear Security Solutions
    • Linear Video Surveillance
    • Seco-Larm Access Control
    • Seco-Larm Enforcer Video
    • Seco-Larm CCTV Accessories
    • Seco-Larm RF Wireless
    • Seco-Larm Burglar Security
    • Seco-Larm Audio/Video
    • Seco-Larm Vehicle Security
    • STI Accessories
    • STI Services
    • Deals of the Week

Best Sellers

SS2231PO-EN STI Yellow Indoor/Outdoor Flush Turn-to-Reset Stopper Station with EMERGENCY POWER OFF Label English

SS2231PO-EN STI Yellow Indoor/Outdoor Flush Turn-to-Reset Stopper Station with EMERGENCY POWER OFF Label English

STI

MSRP: $146.97
Now: $101.00
Was:
1610227 Potter MTW-120MH MT Mini Horn 120VAC - White

1610227 Potter MTW-120MH MT Mini Horn 120VAC - White

Potter

MSRP: $60.00
Now: $54.00
Was:
P82WLS Kantech ioProx 2-Button Transmitter - MIN QTY 10

P82WLS Kantech ioProx 2-Button Transmitter - MIN QTY 10

Kantech

MSRP: $70.00
Now: $56.00
Was:
KIT-E10198 STI Normally Closed Contact for Switch Configuration 0, 1, 3 and 4

KIT-E10198 STI Normally Closed Contact for Switch Configuration 0, 1, 3 and 4

STI

MSRP:
Now: $14.00
Was:
SS2229HV-EN STI Yellow Indoor Only Flush or Surface Turn-to-Reset (Illuminated) Stopper Station with HVAC SHUT DOWN Label English

SS2229HV-EN STI Yellow Indoor Only Flush or Surface Turn-to-Reset (Illuminated) Stopper Station with HVAC SHUT DOWN Label English

STI

MSRP: $92.17
Now: $69.00
Was:
4890070 Potter LFH-24R Red 520 HZ Low Frequency Sounder

4890070 Potter LFH-24R Red 520 HZ Low Frequency Sounder

Potter

MSRP: $101.00
Now: $78.00
Was:

Stop the Spread of Germs

No Touch and Push Buttons
No Touch and Push Buttons
This cast aluminum touch free button applies NoTouch technology which helps reduce the spread of germs in any public building. To exit, a person must simply wave their hand in front of the device. The infrared will detect the motion and unlatch the time adjustable door.
View Products
Sidebar
EVX-BA100 Evax by Potter Backup Amplifier Switching Module
  • EVX-BA100 Evax by Potter Backup Amplifier Switching Module

EVX-BA100 Evax by Potter Backup Amplifier Switching Module

(No reviews yet) Write a Review

Write a Review

EVX-BA100 Evax by Potter Backup Amplifier Switching Module
Potter
EVX-BA100 Evax by Potter Backup Amplifier Switching Module

MSRP: $299.00
Now: $221.00
Was:
(You save $78.00 )
Brand
Potter
SKU:
EVX-BA100
UPC:

Adding to cart… The item has been added
Add to Wish List
  • Create New Wish List
  • Facebook
  • Email
  • Print
  • Twitter
  • Pinterest
  • Description
  • 0 Reviews

Features:

  • Item Number: EVX-BA100
  • Backup amplifier switching module

The EVX-BA-100 provides a means to switch in a backup amplifier in the event of a primary amp failure. One backup amp can be provided in reserve for several primary amps. Amplifier outputs are connected at TB2, and speaker field wiring at TB1. Supervisory and 24 VDC power inputs are provided at TS1. The LED onboard activates when the backup amp has been switched in. All wiring is powerlimited. Mounts to snaptrack or insulating nylon standoffs.
The EVX-BA-100 is compatible with both 25VRMS and 70VRMS audio signals.

pdficon EVX-BA100 User Manual

Write a Review

0 Reviews Hide Reviews Show Reviews

  • Related Products
3510006 Potter PVX-BA100 Backup Amplifier Switching Module

Potter

3510006 Potter PVX-BA100 Backup Amplifier Switching Module

MSRP: $275.00
Now: $197.00
Was:
Model Number: PVX-BA100 Item Number: 3510006 Backup Amplifier Switching Module
Add to Cart The item has been added
EVX-25E Evax by Potter Expander Module

Potter

EVX-25E Evax by Potter Expander Module

MSRP: $1,826.00
Now: $1,351.00
Was:
Features: Item Number: EVX-25 25 Watt Voice Evacuation Expander Temporal whoop alarm tone Built-in power supply with battery charger 25 or 70 VRMS operation - field selectable with no additional...
Add to Cart The item has been added
EVX-25 Evax by Potter Voice Evacuation Module with Mic

Potter

EVX-25 Evax by Potter Voice Evacuation Module with Mic

MSRP: $2,667.00
Now: $1,981.00
Was:
Features: Item Number: EVX-25 25 Watt Voice Evacuation Expander Microphone capable for voice communication Temporal whoop alarm tone Built-in power supply with battery charger 25 or 70 VRMS...
Add to Cart The item has been added
EVX-MIC Evax by Potter Microphone

Potter

EVX-MIC Evax by Potter Microphone

MSRP: $166.00
Now: $123.00
Was:
Model Number: Item Number: EVX-MIC Microphone
Add to Cart The item has been added
EVX-100 Evax by Potter 100Watt Voice Evacuation Module with MIC.

Potter

EVX-100 Evax by Potter 100Watt Voice Evacuation Module with MIC.

MSRP: $3,928.00
Now: $2,909.00
Was:
Features: Model Number: EVX-100 25, 50, or 100 Watt Voice Evacuation Expander Microphone capable for voice communication Temporal whoop alarm tone Built-in power supply with battery charger 25 or 70...
Add to Cart The item has been added
B2B Tech Supply
Addresses : B2B Tech Supply
339 Hicksville Rd. #221
Bethpage, NY 11714
Email: info@b2btechsupply.com

Information

  • Frequently Asked Questions
  • Privacy Policy
  • Returns
  • Delivery Information
  • Terms & Conditions
  • Sitemap

Brands

  • STI
  • Dormakaba
  • Potter
  • Geovision
  • Mier
  • View All

All Categories

  • Networking
  • Video Surveillance
  • Access Control
  • Alarm Systems
  • Intercom
  • View All

Sign Up For Newsletter

Get the latest updates on new products and upcoming sales

© 2025 B2B Tech Supply