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VPA-ANT 8N Voice Alarm Trigger MP3 Player (GND Dry Contact)
VPA-ANT 8N Voice Alarm Trigger MP3 Player (GND Dry Contact)VPA-ANT 8N Voice Alarm Trigger MP3 Player (GND Dry Contact)

VPA-ANT 8N Voice Alarm Trigger MP3 Player (GND Dry Contact)

VPA
SKU: VPA-ANT 8N
$204

Indicative price, converted at the exchange rate on 2026-07-21

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The VPA-ANT 8N is a programmable trigger MP3 player for voice alarm and public address systems. It uses negative trigger logic (short to GND), with 7 trigger inputs, 8 MB of flash memory, and USB and microSD support up to 32 GB. A built-in 10 W Class D amplifier, RS485 control and a 3.5 mm line output round out the unit.

Design and operating principle

The unit automatically plays pre-recorded messages on a signal from external systems: a panic button, intrusion alarm, or access control. Seven trigger inputs (K1–K7) activate when the input is shorted to the common GND line (negative logic); 8 playback modes are available, configurable via a configuration file. Recordings are stored in 8 MB of built-in flash memory and on external USB/microSD media up to 32 GB (FAT32); files are uploaded over USB Type-C, with the unit enumerating on the computer as a USB drive.

A built-in 10 W Class-D amplifier with a full-range driver lets the unit operate standalone, while a 3.5 mm audio output connects it to an external PA system. The Load+/Load− load control output (up to 1 A) switches in sync with playback. An optional RS485 interface provides 01–99 addressing and broadcast commands. Power is 12–40 V DC; the enclosure is aluminum alloy, wall-mounted.

Warranty and certification

  • EAC certificate of conformity
  • 24-month manufacturer's warranty
  • Service life of at least 10 years.
Rated power10 W (built-in Class D amplifier)
Net weightNo more than 0.5 kg
Climatic versionUKhL 4.2
Electric shock protection classIII (low-voltage device)
Service lifeAt least 10 years
Ingress protection ratingIP30
Dimensions120 × 120 × 36 mm
Audio formatMP3 (trigger), MP3/WAV (RS485)
Package contentsVPA-ANT 8N trigger MP3 player — 1 pc · Terminal connector set (removable) · Mounting kit (screws, wall plugs) · USB Type-C ↔ USB-A cable for uploading audio files · Operating manual
TypeMP3 emergency message unit
Power consumptionNo more than 10 W
Enclosure materialAluminium
Operating voltage12–40 V DC
Trigger modes8 types
Programming interfaceUSB Type-C
Trigger typeNegative (short to GND)
Playback modes8 (via configuration file)
RS485 baud rate9600 bps (up to 256,000 bps)
RS485 addressing01-99 + broadcast 0xFF
Built-in amplifierClass D, with built-in full-range speaker, 10 W
Volume controlOn-unit potentiometer + configuration file (00-30) + RS485
Load control outputLoad+/Load− (synchronised with playback, up to 1 A)
File upload interfaceUSB Type-C (as USB mass storage)
Supply voltage12–40 V DC
Current consumptionNo more than 1000 mA
EnclosureAluminium alloy, black, wall-mount
Mounting holes106 × 90 mm
Mounting cutout size5 / 9 mm
Operating current≤ 1000 mA
Trigger inputs7 (K1-K7)
Flash memory8 MB
External storageUSB up to 32 GB, microSD up to 32 GB, FAT32
Audio output3.5 mm jack
Control interfaceRS485 (optional)

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