THL10-44 10 inch 500 Watt RMS Car Subwoofer MTX Audio
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Subwoofer Subwoofer BassFace 20 cm INDY S8/2 2x2Ω 500 Watt RMS sub auto 8 20cm 20 cm INDY S8/2 2x2Ω 500 Watt RMS sub auto 8 20cm : Amazon.it: Elettronica
Woofer Magnum 15 pollici 500W Rms altoparlante 8ohm - AliExpress