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FK675 2W Small Stereo Amplifier comes with 2 x 16Ohm Speaker kitFK930 Human to Robot voice converter / Changer Kit
FK917 Whisper Amplifier circuit kit TDA2822 3VDC supply
Description
Technical information
• A small amplifier circuit with high sensitivity through the use if a MIC condenser.
• 3V. Power supply from 2 batteries.
• Suitable for people with hearing problem.
• PCB dimensions : 2.1” X 1.3”