Price was: $10.97!
Description: A basic sound power testing circuit that used for measuring of preliminary sound power and sound level which do not require precision or as a sound power testing game.
Power supply: 9VDC
Consumption : 20mA. (stand by), 50mA (working)
Adj. sensitivity : trimmer potentiometer
PCB dimensions : 2.29 x 1.11 in
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