ESX VX21PRO 21” 12000W MAX/ 6000W RMS Subwoofer

Features

• Mighty Aluminum Basket with high stability – a must with this with these mighty dimensions

• 4 x 150 oz Quad Magnet Driver with a total weight of 17 kg

• Double Stitched High-Roll Foam Surround, which allows a very high excursion of the cone

• Fiberglass reinforced Paper Cone with an effective surface of 1662 cm2

• 6-layer Nomex Spider, which ensures a good and long-lasting cone

• 8-layer 10 cm (4”) Voice Coil (Made in the USA), which was wounded with copper sheathed
  ribbon aluminum wire, 80 mm high and is thus very light and efficient

• Voice Coil Former made of black anodized aluminum

• +/- 23 mm linear stroke, +/- 35 mm X-Max

• Integrated 10 mm2  speaker cables with 1,5 m length