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Earthquake Sound DBXi-15D

15" Dual 4 ohm DBXi Series Car Subwoofer

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• 2000W Peak
• 750W RMS
• 2" Aluminum Bobbin Voice Coil
• 150 Oz. Double Stacked Magnet
• Sensitivity: 85dB
• Mounting Depth: 6-3/8"

Learn more about the dbxi15d
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List price $429.00
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Get a Free roll of Belva 12 Gauge Speaker Wire. Simply click the "Add Both to Cart" button and you will see your savings at checkout. This offer cannot be combined with any other coupons or offers.

Earthquake Sound DBXi-15D

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Get a Free roll of Belva 16 Gauge Speaker Wire. Simply click the "Add Both to Cart" button and you will see your savings at checkout. This offer cannot be combined with any other coupons or offers.

Earthquake Sound DBXi-15D

100% off


Priced separately $432 98

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$419 99

Product Highlights


• 2000W Peak
• 750W RMS
• 2" Aluminum Bobbin Voice Coil
• 150 Oz. Double Stacked Magnet
• Sensitivity: 85dB
• Mounting Depth: 6-3/8"

Description


Earthquake Sound brand icon

Authorized dealer



Go off the Richter Scale with DBXi Subwoofers

The DBXI-15D Dual 4 ohm 15" subwoofer is the perfect example of what it means to carry the Earthquake Sound name. Earthquake Sound subwoofers need to not only be loud but also sound great and perform without any problems. With an RMS of 750 watts this woofer will produce enough bass to really satisfy those low-frequency reproduction needs. The woofer features a pressed pulp fiber woofer cone and high-roll rubber surround for added stiffness, rigidity, and higher excursion capabilities. Its turbo propped cooling reduces thermal heat and thus increases output and lowering distortion during all periods of play. The woofer also features a 2" voice coil and double stacked magnet structure able to produce an impressive 3.5" of linear excursion, giving you deep impact bass. The DBXi woofer is your everyday driver that will perform day in and day out without compromising quality.

Still Wondering about the Power?

Check out the DBXI-15D breaking CD's

Watch the DBXI-15D flexing this car!

General Features:

  • 15" Dual 4 ohm DBXi Series Subwoofer
  • Power Handling:
    • Peak: 2000 watts
    • RMS: 750 watts
  • Impedance: Dual 4 ohm
  • Pressed pulp fiber woofer cone material
  • High-roll rubber woofer surround
  • New and improved design
  • Stitched tensile leads
  • Deep impact bass
  • Turbo propped cooling
  • Die-cast aluminum basket
  • 2" Aluminum bobbin voice coil
  • 150 oz. Double stacked magnet structure
  • Sensitivity: 88 dB
  • Xmax: 88.9 mm
  • Mounting Depth: 6-3/8"
  • Cutout dimensions: 13-3/4"
  • Authorized Internet Dealer
  • 5-year Manufacturer's warranty
PDF IconEarthquake Sound DBXI15D owner’s manual

Subwoofer Wiring Guide


Wiring Guide to Wire 1 Earthquake Sound DBXi-15D Subwoofer

Mono Amp

2 Channel Amp - Bridged

Wiring Guide to Wire 2 Earthquake Sound DBXi-15D Subwoofers

Mono Amp

Mono Amp - Option 1

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp - Bridged

Wiring Guide to Wire 3 Earthquake Sound DBXi-15D Subwoofers

Mono Amp

4 Channel Amp

Wiring Guide to Wire 4 Earthquake Sound DBXi-15D Subwoofers

Mono Amp

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp


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Specifications & Details


Subwoofer Specifications
Series
Earthquake DBXI Series
Subwoofer Size
15"
Peak Power Handling
2000 watts
RMS Power Handling
750 watts
Voice Coil(s)
Dual
Impedance (Per Voice Coil)
4 ohm
Voice Coil Diameter
2"
Sensitivity
88 dB
Xmax (millimeters)
88.9 mm
Subwoofer Design
Round / Circle
Main Cone Color
Black
Woofer Composition
Pressed Pulp Fiber
Woofer Surround
High-Roll Rubber
Subwoofer Grille
No
Re-Cone Kit Available
No
Recommended Enclosure Specifications
Recommended Enclosure Type
Ported / Vented
Sealed
Minimum Sealed Box Volume
2.0 cubic feet
Maximum Sealed Box Volume
2.50 cubic feet
Minimum Ported Box Volume
2.20 cubic feet
Maximum Ported Box Volume
4.20 cubic feet
Top-Mount Depth (Mounting Depth)
6-3/8"
Cutout Diameter
13-3/4"
Shallow Mount Installation
No
T/S Parameters (Electromechanical)
Free-Air Resonance (Fs)
20 Hz
Equivalent Compliance (Vas)
91.1 liters
Total Speaker Q Value (Qts)
0.45
Electrical Q Value (Qes)
1.14
Electrical Resistance of Voice Coil (Re)
4.0 ohm
Mechanical Q Value (Qms)
5.99
Warranty and Return Policy
Parts Warranty Duration
5 years
Labor Warranty Duration
5 years
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

DBXi-15D

Weight:

30.00lbs

Internal SKU:

dbxi15d

Internal Product ID:

38109

Product and How-to Videos


  • Car Subwoofer Size Buying Guide | What Size of Sub Should I Get?

Customer Ratings & Reviews


Earthquake Sound DBXi-15D thumbnail image

5 star
88%
4 star
0%
3 star
13%
2 star
0%
1 star
0%



Durability
4.8
Value
4.8
Features
4.9
Design
4.5
Usability
4.7

Customer Photos & Videos


Customer Reviews

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deep bass

This thing blew my mind. I have it in a 6 cf box that I built @ around 25 hertz paired with a hifonics brx 1600.1d and my 1 15 gets lower than my friends 2 ssa 12s..bottom line is this woofer is easily as good as woofers that are twice the price. Save yourself some money and just buy this beast

By low hits on February 25, 2014

46 found this helpful


this sub could handle any amount of power I put into it

Wow this sub hits harder them any single subwoofer I have ever heard. I had this hooked up to a Boss ce3500 watt amp. Not much else to say besides earth shattering base.

Cons: ear damage

Pros: 5 year warranty.

By king on November 30, 2011

43 found this helpful


Earthquake!

I have owned this sub for a month now and its a beast! The loudest single sub setup i have ever heard. It hits lows crazy hard, it even broke my rear view mirror off haha. If you are looking for a low bass monster, look no further!

By Tripp on March 17, 2014

41 found this helpful


bad A$$ sub

this sub pounds so hard i would rec amend this sub to everyone never had a problem but the depth is wrong its says 6 3/8 but its really 7 7/8

By Audio Customs on November 12, 2012

42 found this helpful


best $230 ive spent

I love this sub. It produces unbelievable amounts of deep bass. For comparison I have a 18 inch tc sounds Lms 5400 in a sealed box and the earthquake can produce deep bass almost as loud at 1000 w. I wouldn't have bought the tc 18, if it weren't for the fact that it can take four times the power and sounds amazing. I had a large ported box sitting around ( 3.5 cu.ft. plus a 2.5 by 16 by 36 inch long slot port). I highly recommend this sub in a ported box tuned to around 25 hz. I run 750w rms to this sub for hours on end and it is still going strong.

By illest on March 30, 2013

41 found this helpful


deep bass

This thing blew my mind. I have it in a 6 cf box that I built @ around 25 hertz paired with a hifonics brx 1600.1d and my 1 15 gets lower than my friends 2 ssa 12s..bottom line is this woofer is easily as good as woofers that are twice the price. Save yourself some money and just buy this beast.

By low hits on February 25, 2014

39 found this helpful


OMG. i found what i like

pros giving two of these things 450 watts each very loud. excursion is actually 30.48 mm xmax.. super low lows . respectable highs and earth shaking bass only with 900 watts on 2. also got a ported box here to . works perfect if you invert them. Sonic Sub Box: 2SV15 (Black. i got some air moving . i listen to rap and dub step. sound amazing . Highly recomend this sub. looks and feel and sounds high quality con i tryed rock and they were not great. Con made in china

By michael on September 9, 2012

40 found this helpful


These were OK

Doesn't get as low as I like it to. Also barely powering them with my 3500 block amplifier on a short trip and they both burned up. Need a recone kit.

By Adam on January 3, 2023

35 found this helpful




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