Package Includes:

• (2) Rockville 12" Car Audio Subwoofer
• (1) Rockville KRYPTON-M3 4000w Peak/1000w Dyno-Certified RMS Mono 1 Ohm Car Amplifier Amp+Remote
• (1) Rockville RWK41 4 Gauge Complete Car Amp Wiring Installation Wire Kit with RCA's
• (1) Rockville Dual 12" Vented Subwoofer Enclosure Box 1.55 CU FT  3/4" MDF
• 20 Drywall Wood Screws (Wood screws are the type of screws; the screws are actually made of metal)
• 20 Feet of 14 AWG Blue Speaker Wire
• 4 Spade Terminals

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Video of W12K6D4 V2:

Features:

• Rockville W12K6D4 V2 K6 Series 12" Dual 4-Ohm Car Subwoofer
• Peak Power Handling: 2400 Watts
• Program Power Handling: 1200 Watts
  
• CEA Rated RMS Power Handling: 600 Watts
• 2.5" Voice coils (Black Aluminum Former Wound with 100% OFC 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 4-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: 11.125” inches
• Mounting Depth: 5.75” inches
• Frequency Response: 27 Hz - 1.5K kHz
• 8mm T-Yoke + 8mm Washer
• Sensitivity: 85dB
• Sealed Enclosure Volume: 1.0 - 1.5 Cubic Feet
• Vented/Ported Enclosure Volume: 1.65 - 2.5 Cubic Feet
• Weight: 17.64 Lbs.
• Shipping Weight: 22.05 Lbs.
• Shipping Box Dimensions: 15.75" x 15.75" x 13.6" Inches
• XMAX:22 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)
• 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	8.58 Ohm	2.14 Ohm	Electrical voice coil resistance at DC
Le	6.549 mH	1.646 mH	Frequency independent part of voice coil inductance
L2	9.015 mH	2.289 mH	Para-inductance of voice coil
R2	14.79 Ohm	3.72 Ohm	Electrical resistance due to eddy current losses
Cmes	451.49 µF	1832.58 µF	Electrical capacitance representing moving mass
Lces	35.18 mH	8.68 mH	Electrical inductance representing drive compliance
Res	56.58 Ohm	14.09 Ohm	Resistance due to mechanical losses
fs	39.9 Hz	39.9 Hz	Drive resonance frequency
Mechanical Parameters (Using Laser)
Mms	219.823  g	219.582 g	Mechanical mass of drive diaphragm assembly including air load and voice coil
Mmd (Sd)	206.885 g	206.644 g	Mechanical mass of voice coil and diaphragm without air load
Rms	8.605 kg/s	8.505 kg/s	Mechanical resistance of total-drive losses
Cms	0.072 mm/N	0.072 mm/N	Mechanical compliance of drive suspension
Kms	13.84 N/mm	13.81 N/mm	Mechanical stiffness of driver suspension
Bl	22.065 N/A	10.946 N/A	Force factor (Bl product)
Lambda s	-0.013	0	Suspension creep factor
Loss Factors
Qtp	0.873	0.885	Total Q-factor consider all losses
Qms	6.41	6.475	Mechanical Q-factor of of drive in free air considering Rms only
Qes	0.972	0.985	Electrical Q-factor of drive in free air considering Re only
Qts	0.844	0.855	Total Q-factor considering Re and Rms only
Other Parameters
Vas	26.3903 l	26.4413 l	Equivalent air volume of suspension
n0	0.166%	0.164%	Reference efficiency (2 pi-radiation using Re)
Lm	84.4 dB	84.35 dB	Characteristic sound pressure level (SPL at 1m for 1W @ Re)
Lnom	84.1 dB	84.05 dB	Nominal sensitivity (SPL at 1m for 1W @ Zn)
Sd	508 cm²	508 cm²	Diaphragm area
EBP	41.0	40.5	Efficiency bandwidth product

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Krypton Series (Product Video):

 

What's in the Box:

• Amplifier
• Bass Remote with clipping indicator
• Birth sheet with tested power
• Owner’s manual
• Mounting Screws
• Warranty

Description:

The Krypton series of amplifiers by Rockville are engineered to have the best reliability and features. Whether you are a car audio competitor or just like to enjoy loud music. We engineered and designed these amps from the ground up to give you great sound quality and great features. You will notice the cool battery voltage display meter which looks great but also serves as a tool for you to know if your battery voltage is dropping which would affect your systems performance. We designed the amps to be able to last for many years even if you are playing them at max volume before clipping for extended periods of time.

Our favorite feature we introduced of the Krypton series is the bass remote that has a clipping indicator. This allows you to set the amp to max output before clipping on any song. This will protect your subs while you maximize SPL. What is nice about this is that you can set the gain level to max before clipping on any given song in real time! If you use a DD-1 or another tool, you are setting the gain on one song but the next song might have more headroom or might clip depending on the levels it was recorded at (this is referred to as crest factor in the engineering world)

We guarantee that this series of amplifiers will not only meet their rated power but exceed their rated power on a certified dyno test.

Another feature we love about this is the bass equalizer. Most amps have this feature however not all bass EQ are created equal. Some bass EQ's will just clip your subs to death. Our bass EQ circuitry will boost the proper frequencies in a way that sounds good and is safe for your subs. In addition you can always use the clip indicator on the bass remote to make sure you are not sending a clipped signal to your subs. Our amplifier is meant to give you as much clean power to your subs as possible. Our voltage display allows you to make sure you are getting the proper voltage to your amp and our clip indicator on the remote will make sure you always send clean power to your subs. In addition we also guarantee the amplifier will be giving over the rated power so you can confidently match our amplifier with high-end subs and know what to expect!

What about sound quality and efficiency though ??
Well glad you asked. This amplifier is engineered so well that it has an extremely low signal to noise ratio which just means the sound will be super clean even at high volume levels. It also has a good efficiency rating so you don't have to draw too much power from your battery. One other thing that is important is that we engineered this to have a high common mode rejection rating (CMRR). This means that the amp has the capability to block out engine noise signals. By rejecting unwanted noises the end result is the cleanest sound quality.

Once again, Rockville has stepped up its game with the all new Krypton series. Their is no other amp like it on the market. In our opinion this is the best budget series of amps in the world. We actually enjoy this amp more then others that cost over 2 times the price.

Features:

• Rockville KRYPTON M3 4000 Watt Peak and 1000w RMS Class D 1 Ohm Stable Mono Amplifier With Voltage Display
• Dyno Certified RMS Power Ratings: (Certified Dyno Test / Less than 1 % THD) (Use these ratings when comparing with top brands such as Kicker, Rockford Fosgate, etc)
  • 1 Ohm: 1000 Watts x 1 Channel <1% THD+N (71% efficient)
  • 2 Ohm: 700 Watts x 1 Channel <1% THD+N (79% efficient)
  • 4 Ohm: 400 Watts x 1 Channel <1% THD+N (84.5% efficient)
• Peak: (Use these ratings when comparing with the top budget brands such as Boss, Power Acoustik, etc)
  • 1 Ohm:4000 Watts x 1 Channel
  • 2 Ohm:2800 Watts x 1 Channel
  • 4 Ohm:1600 Watts x 1 Channel
• Digital Voltage Display on Amp (Accurate within 0.15V)
• Power/Protect/Clip LED Indicators on the front panel
• Power/Protect/Clip LED Indicators on Remote control
• Clip indicator on the bass remote allows you to quickly set any song to right before clipping in real time
• High-Speed MOSFET Power Supply
• Optical Coupler Class “D” Technology
• Fully Adjustable 12dB / Octave Crossover with Differential Circuitry
• Low Pass Filter: 50Hz - 250Hz
• Subsonic Filter: 15Hz - 55Hz
• Phase Control Switch
• Full IC-Controlled Protection Circuitry
• Remote