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4000W JBL + Sound Dampening Material Bass Bundle

12" JBL W12GTi MKII GTI Series Subwoofer + NVX Sound Dampening Material

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JBL plus Sound Dampening Material Bass Bundle

This Sonic Electronix Exclusive Bundle showcases a 12" Dual 6 Ohm JBL GTI Series Subwoofer. This subwoofer is rated at 700 watts RMS of continues power and 4000 watts of Max power. The subwoofer is equipped with a Kevlar paper cone, and a Nitrile-butylene surround for rigidity and performance. It is also equipped with 3" voice coils, and a Differential Drive motor design. With symmetrical field geometry for ensured linear movement, this JBL GTI series subwoofer is sure to provide efficient sound and bass for long periods of time. In order to improve the all around sound of your audio car system, this bundle also includes ten 18" x 32" pieces of Dead Shield sound dampening material. This dampening material will help reduce engine noise, vibrations, road noise and rattling to give you a higher sound quality. Four step peel and stick application makes installation simple and efficient. This sound dampening material is sure to improve the over all quality and output of your system.

JBL W12GTi MkII Features:
  • 12" Dual 6 Ohm GTI Competition Level Subwoofer
  • Power Handling:
    • Peak: 4000 watts
    • RMS: 700 watts
  • Impedance: Dual 6 ohm
  • Kevlar paper cone woofer
  • Nitrile-butylene surround
  • Differential Drive® Design motor
  • Symmetrical field geometry ensure linear cone travel and low distortion
  • 3" Voice coil
  • Frequency response: 18-1000 Hz
  • Sensitivity: 91 dB
  • Authorized Internet Dealer
  • 1-year Manufacturer's warranty
NVX SDBP40 Features:
  • Ten 18" x 32" Pieces of Dead Shield Sound Dampening Material
  • Eliminates road noise
  • Quiets vibrations
  • Stops rattles
  • Increases SPL
  • Reduces heat
  • Easy to form aluminum conforms to desired area of vehicle with ease
  • Four step peel and stick design for easy installation
  • Increases sound quality and output of car audio system
  • Up to 30% thicker than the leading competitors
  • 40 Square feet total
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty
  • Dimensions (each piece): 18"L x 32"W
Subwoofer Specifications
Subwoofer SeriesGTi
Subwoofer Size12"
Peak Power Handling4000 watts
RMS Power Handling700 watts
Voice Coil(s)Dual
Impedance (Per Voice Coil)6 ohms
Voice Coil Diameter3"
Frequency Response18 - 1000 Hz
Sensitivity91 dB
Xmax (millimeters)20.32 mm
Subwoofer DesignRound / Circle
Main Cone ColorBlack
Silver
Woofer CompositionKevlar Reinforced Pulp (Paper)
Woofer SurroundNitrile Butadiene Rubber (NBR)
Magnet StructureN/A
Subwoofer GrilleNo
Re-Cone Kit AvailableNo
Recommended Enclosure Specifications
Recommended Enclosure TypePorted / Vented
Sealed
Minimum Sealed Box Volume1.0 cubic feet
Maximum Sealed Box Volume1.0 cubic feet
Minimum Ported Box Volume2.25 cubic feet
Maximum Ported Box Volume2.25 cubic feet
Top-Mount Depth10-1/4"
Cutout Diameter11"
Shallow Mount InstallationNo
Electromechanical Parameters
Free-Air Resonance (FS)31.83 Hz
Electrical Resistance of Voice Coil (Re)3.20 ohms
Electrical Q Value (Qes)0.55
Mechanical Q Value (Qms)6.68
Total Speaker Q Value (Qts)0.51
Equivalent Compliance (Vas)44.75 liters
Warranty and Return Policy
Return Policy Standard Return Policy
Parts Warranty Duration1 year
Labor Warranty Duration1 year
Warranty ProviderManufacturer
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Subwoofer Grilles
Protect your subwoofer while making your enclosure look great! These subwoofer grilles are the perfect addition to your new subwoofer.
 ProductPriceAdd?
12" Universal Subwoofer Grille12" Universal Subwoofer Grille
Protect your subwoofer with this aluminum grille that is simple to install.
$9.99
Speaker Wire
Choose from our recommended speaker wire to hook up your amplifier to your new subwoofer. The higher quality of speaker wire that it used for this connection, the better your subwoofer will sound.
 ProductPriceAdd?
24.6 ft. of 10 AWG Monster Cable 400 Series Speaker Wire24.6 ft. of 10 AWG Monster Cable 400 Series Speaker Wire
For the ultimate connection, Monster uses a MultiTwist™ construction, a Magnetic Flux Tube, and even more cutting edge wire technology.
$50.00
15 ft. of 12 AWG StreetWires Speaker Wire15 ft. of 12 AWG StreetWires Speaker Wire
This SuperCable from StreetWires is a noise free link between your amplifier and your subwoofer.
$19.99
20 ft. of 12 AWG Kicker Speaker Wire20 ft. of 12 AWG Kicker Speaker Wire
Kicker uses twisted pair technology and hyper-flex cable to provide you with the cleanest sound and a simple installation.
$24.49
Sound Dampening Material
Get the most sound out of your new subwoofer with some high quality sound dampening material. It will keep the road noise out and the music inside the car.
 ProductPriceAdd?
Dynamat Rubber RollerDynamat Rubber Roller
Install your Dynamat with ease! This heavy duty rubber roller is designed specifically to install your Dynamat!
$18.99
Dynamat Extreme Bulk PackDynamat Extreme Bulk Pack
36 ft. Dynamat Xtreme Bulk Pack enhances the sound for your entire car!
$159.99
Bass Reconstruction Processors
These sound processors are perfect for enhancing the lower frequencies of a car audio system. After some installation and tuning, your new system will sound better than ever!
 ProductPriceAdd?
The Epicenter by AudioControl (Gray)The Epicenter by AudioControl (Gray)
The original bass booster expander with included remote will enhance the bass of your new system.
$149.99
Maxxsonics MX-3Maxxsonics MX-3
Enhances the bass response, increases linearity, buffers unwanted noise, and improves the frequency range of your subwoofer.
$64.95
Enclosure Accessories
These accessories are designed to help you build the custom enclosure that you have always wanted, or add to the box that you already bought. Either way, these products can assist you in achieving better sound, better looks, and more bass!
 ProductPriceAdd?
20 oz. Bag of Poly-Fil20 oz. Bag of Poly-Fil
Polyester fiber fiberfill adds better bass to your system.
$5.99
16 oz. Can of Adhesive Spray16 oz. Can of Adhesive Spray
Spray adhesive used for adhering carpet to subwoofer boxes without bubbles.
$5.99
Spring Post Terminal CupSpring Post Terminal Cup
Makes adding a spring post terminal to an enclosure simple! Banana clip ready!
$2.99
Binding Post Terminal CupBinding Post Terminal Cup
Use this to easily install a binding post terminal to your subwoofer enclosure.
$2.99
Banana Clip TerminalsBanana Clip Terminals
These high grade banana clips allow you to plug into your banana clip ready terminal for a secure connection.
$4.99
System Optimization and Tuning
Use these items to assist in testing and tuning your new car audio system to perfection!
 ProductPriceAdd?
AutoSound 2000 CD-101AutoSound 2000 CD-101
Low frequency test CD
$12.99
AutoSound 2000 CD-102AutoSound 2000 CD-102
High frequency test CD specifically designed for the set-up and evaluation of sound system imaging and placement.
$12.99
AutoSound 2000 CD-103AutoSound 2000 CD-103
Audiophile reference series test disc for evaluation of all audio components.
$12.99
Main Product
 ProductPriceAdd?
JBL W12GTi-MkII_SDBP404000W JBL + Sound Dampening Material Bass Bundle$459.00
Related products
JBL W12GTi MkII
12" Dual 6 Ohm GTI Competition Level Subwoofer • 4000W Max • 700W RMS • Kevlar paper cone woofer • Nitrile-butylene surround • Differential Drive® Design motor • 3" Voice coil • Frequency response: 18-1000 Hz
Cache CBM
Eliminates Road Noise • Quiets Vibrations • Stops Rattles • Increases SPL • Reduces Heat • Simple To Install • Easy To Form Aluminum • Four Step Peel and Stick Installation • Ten 18" x 32" Pieces

Product Summary

Manufacturer: JBL
Model number: W12GTi-MkII_SDBP40
Weight: 78.00 lbs
Internal SKU: w12gtimkii_sdbp40
Internal product ID: 37352

Price Information

$899.95

–$440.95

$459.00

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Customer Testimonial

Awesome prices, great customer service, fast shipping, what more could a customer ask for I just wish I would have found these guys sooner they have some of the best prices on the net that I have found and its all quality products.

- ARNorth05 from Iowa

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