Hearing Aid Kit Audio Amplifier Loudspeaker Training Teaching Competition Electronic DIY Interest Pr
New
20 were available
R333.00
0% off
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Product details
Condition
New
Location
International
Bob Shop ID
645877173
Description:
Voltage: 3V Audio output: 3.5M audio jack headset PCB outline size: 45 * 30mm The hearing aid kit consists of a microphone, a front low-amplifier, a power amplifier circuit, and a headphone jack. It has the characteristics of high sound receiving sensitivity, is practical for people with hearing impairment, and is simple to produce and low in cost. This kit is also an ideal training kit for learning analog circuits.
Use suggestions:
After plugging in the earphones, there may be screams when you first turn on the power. Do not put them in your ears first. At this time, adjust the potentiometer to the position that does not scream, and then put them in your ears to adjust until the sound is clear.
