PRV Audio 21SW4000-NDY-2 21" Subwoofer Loudspeaker - Reinforced Edition
Subcribe to back in stock notification
Free Shipping
Free standard shipping to Contiguous 48 US States
Free Returns
Learn More.
Features
A special reinforced model for car audio application.
The new 21SW4000-NDY-2 is an advanced, high-strength Neodymium subwoofer driver featuring a 5.3 inside/outside copper coil with an unique dual forced design ventilation system. This combination deliveries 2000 Watts RMS power handling and a minimum weight of 30.2 lbs. making this subwoofer an unique product in his category.
The combination of special treated carbon fiber loaded cone assembly, large triple roll surround and a double silicon spider gives the 21SW4000-NDY-2 remarkable strength and excursion control under its large 15 mm Xmax, 72 mm peak-to-peak excursion before damage.
Featuring a 2 ohms voice coil and unmatchable low frequency output with a fully optimized T-pole design, this 21 subwoofer creates a whole new category on its class!
Highlights
- Nominal Impedance: 2 Ohms
- Rated AES Power Handling (RMS): 2000 Watts
- Program Power: 4000 Watts
- Sensitivity (1W/1m): 97 dB
- Voice Coil Diameter: 5.3?
GENERAL SPECIFICATIONS
Nominal Diameter | 21? (553 mm) |
Nominal impedance | 2 Ohms |
Rated AES Power Handling (RMS) | 2000 Watts |
Program Power | 4000 Watts |
Sensitivity 1.41V at 1m | 97 dB |
Recommended Hi Pass Crossover** **For Full Power Handling |
45 Hz** **12db Per Octave Crossover |
Frequency Response at -10dB | 35 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 |
Frame Material | Die Cast Aluminum |
THIELE-SMALL PARAMETERS
Equivalent Volume | Vas | 284.7 l |
Excursion (mathematical)*** | Xmax | 15.00 mm |
Free Air Resonance | Fs | 30.8 Hz |
Mechanical Factor | Qms | 12.33 |
Electrical Factor | Qes | 0.28 |
Total Factor | Qts | 0.28 |
Cone Area | Sd | 1924 cm |
Mechanical Mass | Mms | 485.0 g |
Bl Factor | Bl | 24.36 Tm |
Dc Resistance | Re | 1.8 Ohms |
Inductance | Le | 1.14 mH at 1 kHz |
Mechanical Mass Without Air | Mmd | 437.2 g |
Mechanical Compliance | Cms | 0.055 mm/N |
***Xmax=(Voice coil winding depth-Magnetic Gap depth)/2+ Mgnetic Gap Depth/4
EXTRA INFO
Overall Diameter | 21.53 (547 mm) |
RETURNS POLICY
You may return your item(s) for refund within 30 days of receipt of your shipment.
You may return your item(s) for replacement within 30 days of receipt of your shipment.
We do not ship any replacements before we receive and inspect the returned merchandise.
Please read our policy carefully as we cannot process a return in the unfortunate event that the below conditions are not met.