Technical Help me find out if this subwoofer is still fully functional!!

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Technical Help me find out if this subwoofer is still fully functional!!

Arioni

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Jun 8, 2025
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Location
Nederland
Hello!

I am the proud owner of a blue Fiat grande punto. Whil trying to fix a leakage in the boot I found that the connector of the subwoofer was installed behind the panel. I instantly ordered the subwoofer from a scrabyard. I havent gotten it to work so I decided to call a car shop to install it for me. They returned to may saying the subwoofer is not working, eventho the seller sais it does. Now I want to check it for myself. The subwoofer look prestine from the inside. Can you help me figure out if it is still working?

Note: I already did the voltage test with a battery and the driver is functional. It was moving up and down.

Thank you!
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Model
Fiat Grande Punto 1.4 16v Starjet
Year
2007
Mileage
175000
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