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Need help about a Bluetooth speaker Answered

I want to make a speaker with passive radiator . I'm thinking about using Beats pill xl speakers (replica) which are 2ohm and 15w. And the amplifier I'm gonna use is a PAM8610, output 4ohm 15w each channel. So is that amplifier will be suitable for the speaker? Need some help on that, and also as the speakers produce high excursion, the passive radiator which I'm gonna will be useful? (Measurements of speakers and passive radiator included on the pictures).

Last question is the amplifier need 12v of power and i have a battery pack of 18650 cells(parallel) ,so if i use a step up booster like LM2596 ,will that be sufficient to provide the power to the amplifier? Thank you.

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