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Power Amplifiers

4XD250B Four-Channel Amplifier

Esser’s 4XD250B Four-channel amplifiers with integrated battery recharging system have 4x250W independent amplifier channels. It gets self-monitoring and self-test by microcontroller. It is protected against overload, short circuit, overheating.

Esser’s 4XD250B Four-channel amplifiers with integrated battery recharging system are used for the emergency power supply to the VARIODYN D1 Comprio. The 4XD250B features 4 independent amplifier channels, each with 250 W, in class D direct drive technology. Due to the fact that all amplifier channels are completely independent from each other, it is possible to use one channel for back up. This could be for the other 3 channels or alternatively for other amplifier channels of other amplifiers with the same or lower output power (only 4XDxxxB and 4XDxxxW models). The amplifier can be used in combination with the VARIODYN D1 Comprio as well as with a DOM.

It is also possible to use the amplifier also with a separate PSU, the internal PSU must be switched of then. It gets self-monitoring and self-test by microcontroller. It is protected against overload, short circuit and overheating.

Features & Benefits:
  • Class D technology, efficiency> = 80 %
  • 4 independent amplifier channels
  • One of four amplifier channels can be used as general back up channel
  • Two Height Unit (2 HU)
  • Ideal for use with the VARIODYN D1 Comprio
  • Self-monitoring and self-test by microcontroller
  • Protected against overload, short circuit and overheating
Certifications:
  • EN 54-4
  • EN 54-16

Others

  • Maximum Transmission Frequency
    • 22000hertz
  • Channels
    • 4
  • Minimum Transmission Frequency
    • 20hertz

Others

  • Maximum Transmission Frequency
    • 22000hertz
  • Channels
    • 4
  • Minimum Transmission Frequency
    • 20hertz
  • Maximum Transmission Frequency : 22000hertz
  • Channels : 4
  • Minimum Transmission Frequency : 20hertz
Installation Guides
Name
Description
File Size
Date
Size
D1 Voice Alarm Consultant's Specification Guide
application/pdf 1.28 MB
1.28 MB
Name
Description
File Size
Date
Size
D1 Voice Alarm Consultant's Specification Guide
1.28 MB
1.28 MB
Name
Description
File Size
Date
Size
D1 Voice Alarm Consultant's Specification Guide
1.28 MB
Image
SKU
Description
alt
580243
Power amplifier 4 x 250 W / 100 V, Class D, integrated battery charger
Image
SKU
Description
alt
580243
Power amplifier 4 x 250 W / 100 V, Class D, integrated battery charger