Axton ATW16 16 CM Subwoofer 2 x 2 Ohm 75 Watt RMS Subwoofer New | eBay
Amazon.com: Ground Zero Mid Woofer Pair 16 cm Gzck 165Spl for Car 165 Mm Diameter High Efficiency Middle Bass for Excellent Sound : Electronics
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Pyle B000FMPENQ Mittel Bass-Woofer (16,5 cm (6,5 Zoll), 300 Watt) : Amazon.de: Elektronik & Foto