21SW4000-NDY-2
-
- 21″ SubWoofer 2 Ohm Reinforced Edition
- Neodymium Magnet
- 97 dB – 4000 Watts
$999.91
In stock
PRICE FOR SINGLE UNIT
Features
Features
Designed for car audio applications requiring extremely high power handling and low distortion, PRV Audio leaves no box unchecked with the 21SW4000-NDY-2 Reinforced Edition subwoofer.
Featuring a 2 Ohm voice coil and unmatchable low frequency output with a fully optimized T-pole design, this 21” subwoofer creates a whole new category in its class!
- Able to Handle 4000 Watts RMS
- Over 15 mm of Xmax for deep bass reproduction
- High BL motor for impressive control and massive output
- Reinforced Cone and Surround to withstand high pressure tones
- Designed and Engineered for Inverter box design
The new redesigned 21SW4000-NDY-2 is an advanced, high-strength Neodymium subwoofer featuring a 5.3” inside/outside copper coil with a unique dual forced design ventilation system. This combination delivers 4000 Watts RMS power making this subwoofer a unique product in its category.
Specially treated carbon fiber loaded cones, large triple roll surrounds, and a double silicon spider give the 21SW4000-NDY-2 outstanding strength and excursion control under its large 15 mm Xmax, 72 mm peak-to-peak excursion.
Technical Details
GENERAL SPECIFICATIONS
| Nominal Diameter | 21″ (553 mm) |
| Nominal impedance | 2 Ohm |
| Continuous Program Power (RMS) | 4000 Watts |
| Max Peak Power | 8000 Watts |
| Sensitivity 1.41V at 1m | 97 dB |
| Recommended Hi Pass Crossover** **For Full Power Handling | 55 Hz** **18db Per Octave Crossover |
| Frequency Response at -10dB | 45 – 1,200 Hz |
| Voice Coil Diameter | 5.3″ (135 mm) |
| Voice Coil Wire | Copper |
| Voice Coil Winding Depth | 39.0 mm |
| Former Material | Glass Fiber |
| Magnetic Gap Depth | 18.0 mm |
| Excursion (mathematical)*** | 15.00 mm |
| Frame Material | Die Cast Aluminum |
| Cone Material Reinforced Cone | Reinforced Cone – PRV’s Proprietary Formula |
***Xmax=(Voice coil winding depth-Magnetic Gap depth)/2+ Mgnetic Gap Depth/4
EXTRA INFO
| Overall Diameter | 21.53” (547 mm) |
| Front Mount Baffle Cutout | 20.0” (508 mm) |
| Mounting Depth | 9.64” (245 mm) |
| Overall Depth | 10.23” (265 mm) |
| Net Weight | 30.2 Lbs (13.7 kg) |
| Shipping Weight | 35.3 Lbs (16.0 kg) |
| Carton Dimensions W x L x H | 23.2” x 22.4” x 10.8” (590 x 570 x 275 mm) |
Repair Parts
Reinforced Replacement Diaphragm for 21SW4000-NDY-2
Customer Reviews
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THE BIG BASS