Proel Eikon EK10SW Active Studio Subwoofer Single : Amazon.de: Electronics & Photo
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Proel - #proel S Series All the S models feature high-excursion woofers in a Hybrid Band Pass configuration (HBP). This innovative design provides a higher efficiency compared to direct radiation sub-woofers and,
Proel S12A S-Series Active 12" Subwoofer – Proel North America