(2) Rockville W10K6D2 V2 10 4000 Watt Car Audio Subwoofers Dual 2-Ohm Subs

Video of W10K6D2 V2:

Features:
Rockville W10K6D2 V2 K6 Series 10 Dual 2-Ohm Car Subwoofer
Peak Power Handling: 2000 Watts
Program Power Handling: 1000 Watts
CEA Rated RMS Power Handling: 500 Watts
2.5 4-Layer Black Aluminum Voice Coils Wound with OFC (100% Copper) Wire
The wire we use is made in the USA! It is one of the most important components to make the sub high quality and last longer
Double Stacked 100 Oz High Quality Magnet
XMAX: 25 MM

Detailed Info:
Body: Non-Pressed Paper
Gap Plate Inside Diameter: 80mm (3.14 inches)
Gap Plate Outside Diameter: 156mm (6.14 inches)
Gap Plate Thickness: 20mm (0.8 inches)
Yoke Outside Diameter: 145mm (5.71 inches)
Yoke Thickness: 8mm (0.31 inches)
Yoke Pole Diameter: 60mm (2.4 inches)
 

TS Parameters:
TS Parameter Wired in Series Wired in Parallel Description of Measurement
Electrical Parameters
Re
4.32 Ohm
1.09 Ohm
Electrical voice coil resistance at DC
Le
5.32 mH
1.047 mH
Frequency independent part of voice coil inductance
L2
6.32 mH
1.412 mH
Para-inductance of voice coil
R2
8.09 Ohm
2.04 Ohm
Electrical resistance due to eddy current losses
Cmes
641.37 ??F
2573.92 ??F
Electrical capacitance representing moving mass
Lces
25.48 mH
6.38 mH
Electrical inductance representing drive compliance
Res
45.72 Ohm
11.24 Ohm
Resistance due to mechanical losses
fs
39.4 Hz
39.3 Hz
Drive resonance frequency
Mechanical Parameters (Using Laser)
Mms
203.494 g
201.259 g
Mechanical mass of drive diaphragm assembly including air load and voice coil
Mmd (Sd)
196.785 g
194.549 g
Mechanical mass of voice coil and diaphragm without air load
Rms
6.939 kg/s
6.956 kg/s
Mechanical resistance of total-drive losses
Cm
0.08 mm/N
0.082 mm/N
Mechanical compliance of drive suspension
Kms
12.45 N/mm
12.25 N/mm
Mechanical stiffness of driver suspension
Bl
17.812 N/A
8.843 N/A
Force factor (Bl product)
Lambda s
-0.041
-0.043
Suspension creep factor
Loss Factors
Qtp
0.656
0.661
Total Q-factor consider all losses
Qms
7.254
7.139
Mechanical Q-factor of of drive in free air considering Rms only
Qes
0.685
0.692
Electrical Q-factor of drive in free air considering Re only
Qts
0.626
0.631
Total Q-factor considering Re and Rms only
Other Parameters
Vas
12.2205 l
12.4184 l
Equivalent air volume of suspension
n0
0.105%
0.104%
Reference efficiency

• Features: Rockville W10K6D2 V2 K6 Series 10 Dual 2-Ohm Car Subwoofer. Peak Power Handling: 2000 Watts. Program Power Handling: 1000 Watts. CEA Rated RMS Power Handling: 500 Watts. 2.5 4-Layer Black Aluminum Voice Coils Wound with OFC (100% Copper) Wire. The wire we use is made in the USA! It is one of the most important components to make the sub high quality and last longer
• Double Stacked 100 Oz High Quality Magnet. Cast Aluminum Basket With Black Sanded Finish Makes This Sub Very Efficient. Fiber Reinforced Ultra Stiff Black Non-Pressed Paper Cone. Thick Foam Surround Provides Incredible Sound Quality With Minimal Distortion. Red Stitching Cone Reinforcement Ensures Long Life. Polypropylene (PP) Dustcap
• Two Chrome-Plated Binding Post Terminals – These are the best terminals on the market and they accept any gauge wire. Impedance: Dual 2-Ohm Voice Coils. Vented Hole on T-yoke Enhances Heat Dissipation. Special Custom Rubber Boot Magnet Covers Make the Woofer Look Nice and Protects the Magnet. Custom Rockville Mounting Gasket Looks Beautiful and Makes it Easy To Mount the Subwoofer Air-Tight
• High BL Magnetic Motor Gap. We use the highest grade black glue that handles extremely high temperatures which allows our woofer to handle even more power than they are rated. Cutout Diameter: 9.41 inches. Mounting Depth: 5.29 inches. Frequency Response: 36.7 Hz – 1.5K kHz. 8mm T-Yoke + 8mm Washer. Sensitivity: 85dB. Sealed Enclosure Volume: 0.6 1.1 Cubic Feet
• Vented/Ported Enclosure Volume: 1.1 1.6 Cubic Feet. Weight: 16.53 Lbs.. Shipping Weight: 19.84 Lbs.. Shipping Box Dimensions: 13.58 x 13.58 x 12.6 Inches. XMAX:20 MM (One way). Detailed Info: Body: Non-Pressed Paper. Gap Plate Inside Diameter: 80mm (3.14 inches). Gap Plate Outside Diameter: 156mm (6.14 inches). Gap Plate Thickness: 20mm (0.8 inches)