NSW6021-124 21" Speaker

Our most technologically advanced, high-performance subwoofer now has the flexibility to meet any amplifier and enclosure combination. Its unique bifilar, low-inductance, inside/outside wound, dual 2Ω voice coil features heavy gauge pure copper windings and a reinforced high-temperature fiberglass former. Mirror-image spiders spaced 13 mm apart provide effortless coil control and dynamic balance at maximum excursion. Designed using advanced measurement and FEA optimization tools, the NSW6021-124 enables easy switching between 1, 2, or 4-ohm amplifier loads while ensuring near zero-inductance transient response. One woofer for all your designs whether vented, horn-loaded, or sealed. Any amplifier, any cabinet, allow us to surpass your expectations. FEATURES INCLUDE: Bifilar, Low Inductance Voice Coil Selectable 1, 2+2, or 4Ω 21” Nominal Diameter 5000 W Program Power Spaced Dual Spiders 24mm Xvar Applications Subwoofer | Pro Audio Box Type: Vented, Sealed, Scoop Loading, Horn