Non-Press Kevlar Reinforced Paper Cone for Cleaner Undistorted Deep Bass; Heavy Gauge Stamped Steel Basket; Polypropylene Dust Cap With inverted MegaLoud Logo; Stiff Nomex Spider for Keeping Voice Coil Centered Even During Long Excursion; High Temperature 4-Layer Dual Voice Coil for High Power Handling and High Efficiency Bass; Double Stacked Magnet Structures for Longer X-Max and Higher Damping Factor (Tighter Bass w/o Bottoming out!).

Dual 4 Ohm Voicecoil
Dual 40 Oz Magnets Inside a 14.5 pound Motor Structure
Power Handling: 250 Watts rms, 1000 Watts Peak

Mechanical Parameters
Fs= 39.74 Hz
Qms= 4.427
Vas= 31.26 liters
Cms= 0.117 mm/N
Mms= 137.6 g
Rms= 7.733 kg/s
Xmax= 10 mm
Xmech= 20 mm
Sd= 433.7 sq.cm
Vd= 0.434

Electrical Parameters
Qes= 0.519
Re= 3.6 ohms/ coil
Z= 4.32 ohms/ coil
BL= 15.43 Tm
Perms= 300 watts
Ppeak= 1000 watts

Electromechanical Parameters
Qts= 0.465
no= 0.364%,br> 1-W SPL= 87.81 dB
2.83-V SPL= 91.28 dB

Sealed Enclosure:
.5 CU Ft-.75 CU Ft per woofer
Optimum Power: 125-200 Watts Rms Per Woofer

Good: PM-502 for (1)VX Woofer
Better: PM-502 for (2)VX Woofers
Best: PM-702 for (2)VX Woofers

Ported Enclosure: Best Performance
Optimum Power: 150-250 Watts Rms Per Woofer
1.25 Cubic Foot tuned at 38 Hz w/ 4"round port 13" depth Per woofer
Best for mainly rap and R&B

1.5 Cubic Foot tuned at 38 Hz w/ 4"round port 17" depth Per woofer
Best for mainly rap and R&B

1.25 Cubic Foot tuned at 41 Hz w/ 4" round port 11" depth Per woofer
Best for all around including rock, rap, techno

1.5 Cubic Foot tuned at 41 Hz w/ 4" round port 14" depth Per woofer
Best for all around including rock, rap, techno

Good: VX-600.2 for (1)VX Woofer
Better: VX-800.2 for (2)VX Woofers
Best: VX-1000.2 for (2) VX Woofers
Performance: VX-1400.2 for (4) VX Woofers