Description
The EF-D150 and EF-D500 class D transformerless amplifiers provide 100, 70 or 50V audio output for distributed loudspeaker systems.
The amplifiers are compatible with the EFDAU2000 Wall Mount Voice Alarm System and are interfaced to EF-LSZDC dual line surveillance interface module to provide fully monitored speaker lines.
The maximum output power is user configurable from 25W to 150W (EF-D150) and from 25W to 500W (EF-D500).Up to 10 x EF-D150 and or EF-D500 amplifiers modules can be housed within a single EFDAU2000 Wall Mount Voice Alarm System.
The configurable output power capability of the EF-D500 and EF-D150 amplifier modules enables very flexible use, with lower quiescent power requirement, and improved environmental performance compared with traditional amplifier designs.
Features and benefits
• Class D transformerless amplifiers.
• EFDAU2000 compatible modular card.
• Software configurable maximum power.
• Fault indication led per amplifier.
• High efficiency & low standby current.
• 100 / 70 / 50 V Output.
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