Notifier BDA-25V


Backup Digital Amplifier (25 VRMS), switch settings for 75, 50, and 35 W operation. Provides a second audio channel when programmed as a primary amplifier.

Availability: Estimated 6 Weeks

Condition: New
Brand: Notifier
Status: Active
SKU: 55184
Manufacturer Part #: BDA-25V


The DAA2 Series amplifiers are multi-featured amplifiers with digital audio functionality. Each DAA2 is capable of accessing and processing one of up to eight audio channels on the DVC audio loop, amplifying the signal, and distributing it via four Class B, two Class A outputs, or four Class A outputs in DAA2 amplifiers with a DCADC Class A expander. A DAA2-50 or DAA2-75 series amplifier is capable of mounting an optional BDA Digital amplifier, which can be used to provide one-to-one amplifier backup, or to support two-channel operation, or increased output wattage to 100W (100W option applies to DAA2-50 series only, other rules apply).

Additional information

Weight 1.5 lbs
Dimensions 3.00 × 6.00 × 8.00 in



Production Status



  • Listed to UL Standard 864, 9th edition
  • 50 W total output power at 25 VRMS (all DAA2-5025 models) or 70 VRMS (all DAA2-5070 models)
  • 75 W total output power at 25 VRMS (all DAA2-7525 models)
  • Supports two Class A high-level audio outputs, or four Class A outputs in DAA2 amplifiers with a DCADC Class A expander, or four Class B outputs
  • Optional BDA amplifiers support alternative configurations
  • Backup amplifier – supports one-to-one backup (all DAA2 models)
  • Primary amplifier – supports two-channel operation (all DAA2 models)
  • Primary amplifier – increase power up to 100W, one- or two-channel operation. (DAA2-50 series only, configuration rules apply.)
  • Supports one-to-many amplifier backup applications using the same model DAA2
  • Firefighter telephone riser supports 7 active firefighter telephones. System Release 3.0 and higher supports optional configurations: direct connection for up to 7 firefighter telephones, or connection to multiple FTM-1 modules
  • Remote microphone paging option with RM-1
  • Audio output activation via network control-by-event equations resident within the DVC
  • Two wire digital audio ports that can be converted to fiber using fiber option modules. Support Style 4 or 7 configurations
  • Auxiliary input for 1 VRMS, to be used for background music input, an interface with a telephone paging source, or other compatible audio sources. Audio levels can be adjusted by end user. Optional supervision through programming
  • Isolated alarm bus input, to be used for backup activation of alarm messages when normal digital communication is lost
  • Programmable through VeriFire® Tools
  • Up to 106 seconds of backup digital message storage for use in the event of communication loss (from the VeriFire Tools message library, or created by the installer)
  • Battery charger disable provides battery sharing option for up to four DAA2s
  • Disconnect of deeply-discharged battery (low battery disconnect)


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