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FK672 - Mini Megaphone
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Product Description
This circuit is a small megaphone, it includes amplifier, condenser microphone and a loudspeaker.
Ideal for the classroom, meetings or sports etc.
Technical specifications:
- Power supply : 4.5-12VDC.
- Consumption : 300mA max. @ 12VDC.
- Output power : 2W.max. (using a loudspeaker 8W 2W/power supply 12V/1.5A. max.)
- Adjustable level sound by potentiometer.
- S/N ratio : 80dB (A weighted)
- Frequency response : 20Hz to 20kHz (-3dB)
- PCB dimensions : 60mm x 36.21mm.