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ONE-500 Voice alarm system (500 W)
The ONE-500 is a compact PA and voice alarm system which is EN 54-16 certified and allows for a fast, safe and controlled emergency evacuation. 

ONE-500 is one of the most versatile and cost-effective PA and voice alarm systems in the world, thanks to state-of-the-art features, an excellent audio quality and high flexibility on a minimum of space. It features 2 class D amplifiers, 6 zones, 3 audio inputs, a 6 x 6 audio matrix, DSP and an LCD. 

The plug-and-play mode for PA and voice alarm systems enables the system to be configured without software or PC. Audio inputs and automatic mixing allow for highly flexible use in small to medium-sized projects. 

ONE-500 features an integrated EN 54-4 certified emergency power supply (UPS). Thus, the ONE-500 is highly efficient, space-saving and reduces maintenance costs to a minimum. ONE-500 is suitable for most versatile applications, thanks to innovative wall-mounting and 482 mm (19") rack mounting options.
  • 6 x 100 V speaker line audio outputs
  • 2 x class D amplifier 500 W at 70 V/100 V
  • EN 54-4 certified emergency power supply
  • 3 audio inputs
  • Up to 8 microphone stations can be connected
  • Internal voice memory for storing pre-recorded messages
  • LCD
  • Wall-mounting design/rack-mounting design
  • 8+2 monitored fire alarm inputs
  • Emergency priority outputs
  • 4 x 0 dB AF output
  • DSP equalizer
  • Speaker line monitoring
  • Fault detection and fault indication

A rechargeable lead battery 12 V/17 Ah is required for emergency power supply. Please order matching rechargeable back-up battery NPA-12/17 separately.

Description voice alarm system (500 W)
Nominal value with integrated emergency power supply
Type EN 54-16, EN 54-4
Colour RAL 7016, anthracite grey

RAL 9005, jet black

Power supply ˜100-240 V/50/60 Hz/350 W max.
Admiss. ambient temp. -5 °C to +45 °C
Dimensions 453 x 88 x 455 mm
Weight 7.5 kg
Connections Euroblock
Other features frequency range: 80-20,000 Hz,

S/N ratio: -95 dB(A),

THD: < 0.1%

Packing unit 1

More Information
SKU 000100
Type Voice Alarm System
Brand LDA
EAN 4007754275339