V1 Voice Rack
VARIODYN ONE 585030 4XD125B 4x125W Amplifier EN 54-16
- Model name
- 4XD125B
- Standard height
- 1 HU
- Form factor
- 1U 19inch rack mountable
- Channels
- 4 channel, 4x125W power output
- Output per channel
- 125 W per channel
- Channel output type
- Each channel provides an independent 100V audio output
- Output power en54-16
- 4x125W / channel into a load of 80 Ω
Overview
What it is and how it fits the system.
The 4XD125B (585030) is a 1U 19-inch rack-mountable direct-drive voice-alarm amplifier providing four channels at 125 W each, with an inbuilt battery charger. Each channel delivers an independent 100 V audio output, rated 4x125 W into an 80 Ω load to EN 54-16. Built on high-efficiency Class D modules typically exceeding 80% efficiency, it is part of the VARIODYN ONE power amplifier range.
Technical overview
The 585030 is a Voice Alarm V1 Voice Rack 4XD125B 1U 19-inch rack-mountable direct-drive voice-alarm amplifier with four independent 100 V audio outputs, each delivering 125 W into an 80 Ω load per EN 54-16. It uses Class D modules with typical efficiency exceeding 80% and has an inbuilt battery charger for 24 V lead acid batteries up to 65 Ah.
Heat dissipation varies by operating mode: 60 W max on mains power idle, 21 W max on battery power with channels enabled, and 5 W max on battery power with channels disabled. The unit weighs approximately 9.05 kg and connects via IEC mains, BATT, BATT TEMP, SPK OUT, and CONTROL I/F terminals as detailed in the installation manual.
It interfaces with the GNP Controller / VARIODYN® DI DOM module for audio/control inputs, system monitoring, and 100V speaker compatibility, and is part of the VARIODYN ONE range alongside the sibling model 4XD250B (585031).
Specifications
Full technical data for this part.
| Model name | 4XD125B |
|---|---|
| Part no | 585030 |
| Description | 4 channels and 4 x 125 W power output. |
| Standard height | 1 HU |
| Form factor | 1U 19inch rack mountable |
| Channels | 4 channel, 4x125W power output |
| Output per channel | 125 W per channel |
| Channel output type | Each channel provides an independent 100V audio output |
| Output power en54-16 | 4x125W / channel into a load of 80 Ω |
| Amplifier class | High efficiency (>80% typical) Class D Amplifiers |
| Weight approximate | 9.05Kg |
| Heat dissipation idle mains powered | 60Wmax. |
| Heat dissipation battery powered channels enabled | 21Wmax. |
| Heat dissipation battery powered channels disabled | 5Wmax. |
Specifications sourced from manufacturer documentation.
Specifications per manufacturer documentation, subject to change — E&OE. Spotted an inaccuracy? Let us know
Optional accessories
Optional additions — this product works without them.
4 Ch 250W Class D Amp w/ Inbuilt Batt Ch
Part of the VARIODYN ONE range of Class D Power Amplifiers; sibling model is 4XD250B (5850
Datasheets & documents
Reference downloads.
- Datasheet (585030)datasheet199 KB