High power subextender 2 x 21" multi-layer Kevlar Neodymium driver. The SD21 system employs a balanced spider suspension system with spiders at both ends of the coil assembly, resulting in extreme stability under high excursion. The double spider design utilizes a 6” dual voice coil and a powerful neodymium magnet. Frequency range: 30-90Hz, 2 x 1600/6000 watts (AES/Peak) 146,5 dB peak power, with dual NL8 connectors, 140kg weight. Newly refurbished with new front foam and wheel dolly
Second hand good condition (2-3)