21SW115-4 B AND C 21" Professional Neodymium Subwoofer 4 Ohm NEW

BRAND NEW 21SW115-4 B AND C 21" Professional Neodymium Subwoofer 4 Ohm The B&C 21SW115-4 is an advanced, lightweight subwoofer driver featuring 1,700 watts RMS power handling, a 1.34" long/4.5" diameter copper voice coil with very high thermal capability, and a ventilated neodymium magnet assembly that provides low power compression. An aluminum demodulation ring fitted to the 21SW115-4's pole piece reduces distortion. Lightweight but powerful FEA-optimized neodymium magnet Extremely high BL factor and Xmax for outstanding LF output 14 mm Xmax, 60 mm peak-to-peak excursion before damage 4.5" split winding copper voice coil on fiberglass former Ventilated voice coil gap reduces power compression Aluminum demodulation ring on pole piece reduces distortion Double silicone spider Shape Cylindrical Product type Cone driver Dimensional category 21 inch Front Shape Cylindrical Magnet type Neodymium Basket material Aluminum Nominal impedance 4 ohm Zmin 4.2 ohm Nominal power handling 1