Application 1 intercom system E702T can be used as the main module of the intercom terminal. It only needs to connect a microphone and a speaker to form an intercom terminal conveniently. The intercom...
E702T can be directly connected with an external audio power amplifier to form a network audio broadcasting terminal. It can also be directly connected to the microphone and use the 2W audio power amp...
A circuit board in the speaker should be an audio frequency divider (frequency division circuit), which generally exists in a multi-unit passive speaker. The crossover is the "brain" in the speaker, w...
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