I need help according to audio capactive booster pack. I want to connect speaker with this booster pack instead of headset, how can I do this, any one help me
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the board you're referencing is designed to work with headphones with higher resistance (typ. 32 Ohm) than regular speaker 4/8 Ohm. In case of direct connection 3.5mm jack <-> speaker most probably the board output will be overloaded. Meaning that this will lead to irreversible damage to it you should NOT connect speaker directly.
A way to achieve your goal is connecting active speaker with built-in power amplifier. In that case you will have to consider parameters of that amplifier and especially its input impedance to avoid noise problems.
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