Sundown Audio

SUNDOWN AUDIO X Series v.2 15" (1500-watts) -DVC-2OHM

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  • Sundown Audio SUNDOWN AUDIO X Series v.2 15 1500-watts -DVC-2OHM
  • Sundown Audio SUNDOWN AUDIO X Series v.2 15 1500-watts -DVC-2OHM
  • Sundown Audio SUNDOWN AUDIO X Series v.2 15 1500-watts -DVC-2OHM
MSRP: $824.99
Now: $479.99
Was: $629.99
— You save $345.00

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Sundown Audio x v2 15

The Sundown Audio X v.2 15 is the first driver in the Sundown woofer line-up to offer our "ultra-high excursion" suspension and frame designs. The 10, 12, and 15" models feature our custom tooled and patented frames (US Patent Numbers D691596, D691597, and D691598) and the 18" model uses the tried and true 18" 6-spoke with a custom tooled adapter to allow for a full 10" diameter spider. Optionally our custom tooled 18” frame is available for an extra charge (US Patent Number D741841) – this frame utilizes an 11” spider & changes the coil configuration availability changes to D1 & D2.

We mate these new platforms to a triple stacked 220mm (8.66”) diameter motor structure featuring a hyper-extended pole and extreme clearances (allowing up to 4" p-p travel before mechanical bottom). This motor drives a 3" diameter 4-layer CCAW coil wound on a thick aluminum former to incredible levels of excursion. For the v.2 revision we upgraded the coil to a new “black coil” design which handles significantly more heat than the coil form the X v.1 series.

The Sundown Audio X v.2 15 inch subwoofer series was designed from the ground-up to become the new standard in the low-frequency / small ported box subwoofer category in this price range. They will work in the same small enclosures that you are used to using for Sundown Audio subwoofers, although, the will tolerate enclosures up to about 50% larger than those if you desire even more low-end extension.

The Sundown X v.2 series 15 is really a different kind of woofer due to its incredibly linear suspension. They are designed for the LOWEST level of bass extension possible in a small enclosure while maintaining extremely low levels of distortion.

One of the most obvious changes from the v.1 series is the much larger motor structure (220mm vs. 190mm on the v.1 series). The motor ventilation has also been improved and we also upgraded to the all-new Mega-Roll v.2 surround which is a more linear & more rugged update to our world-famous Mega-Roll v.1 surround design.

Sundown Audio X 15 v2 SPECS & IMPROVEMENTS:

Features & Technology:

  • Xmax = 30mm one-way by 70% BL
  • RMS Power = 1500-watts
  • * Vented magnetic gap
  • * Optimized high-velocity pole vent
  • * Innovative high-velocity vented frame spacer ring
  • Black Aluminum 3” voice coil former for superior heat dissipation
  • High Temperature Round-Wire CCAW voice coil with high-temp black adhesive
  • ** The 18” model with optional tooled Sundown Frame uses a 4-Layer Flat Wire / All Aluminum Coil that is ~30% longer
  • Large aluminum faraday ring (Magnet ID)
  • Spring Loaded Terminals
  • Stitched-On Double-XL Tinsel Leads to prevent fatigue and failure
  • Mega-Roll v.2 Surround Technology
  • High strength, custom tooled & patented cast aluminum frame
  • Optimized for small ported & band-pass enclosures

* -- These features combine to create the optimized coil ventilation system.

SpecificationsX 15"D2X 15" D4
RE (ohms) 3.80 ohm 6.1 ohm
FS (Hz) 29.6 hz 29.5 hz
Vas (L) 58.9L 59.5L
Qes 0.40 0.50
Qms 4.65 4.92
Qts 0.37 0.45
Le (mH) 2.53 mH 3.61 mH
BL (NA) 25.6 28.8
Mms (Grams) 366.8 g 365.3 g
Cms (uM/N) 0.08 mm/N 0.08 mm/N
Sens (1w/1m) 87.7 db 86.7 db


X 15"
Sealed N/A
Ported 4.25 ft^3
Displacement 0.22 ft^3
Depth 10.85"
Outside Diameter 10.85"
Cut-Out 13.83"
Recommended Tuning 32hz
Recommended Port Area 68 in^2


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Warranty Information

Warranty Information

Sundown Audio requires us to send customers with equipment problems directly to them for all warranty and non-warranty claims. Please follow their proceedures..


Sundown Audio RMA form:

Sundown Audio Product Warranty Information:


Sundown Audio - Hours of Operation

Monday 9am - 5pm EST
Tuesday 9am - 5pm EST
Wednesday 9am - 5pm EST
Thursday 9am - 5pm EST
Friday 9am - 5pm EST
Saturday Closed
Sunday Closed
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46 Reviews

  • 5


    Posted by Nelson fields on Sep 28, 2023

    This just the beginning for me on this road.

  • 5

    X15 sundown

    Posted by Dale Roberson on Sep 19, 2023

    Best 15 for the price. Running a 5k amp clean 1ohm power and it takes every bit of it. Running it for 6 months now everyone thinks I run a double 15 set up when I run a 6th order single x15. Definitely purchase again!!!

  • 5


    Posted by Greg Criswell on Jun 17, 2023

    Great packaging and fast service . I’ll be using Down4sound from here on out.

  • 5

    Great subs

    Posted by jeremie Jolivet on May 23, 2023

    Best subs I’ve owned

  • 5

    Sundown x 15

    Posted by Dustin Dillon on May 15, 2023

    This is a great speaker and price is about 100 cheaper anywhere else. The box it came in was package very well. Plus I hot some awesome shirt and few other things. A plus for down4sound

  • 5

    Sundown x 15 v2

    Posted by Dustin Dillon on Apr 28, 2023

    Down4sound was almost 300 dollars cheaper then anywhere else.Got this monster sub today it was package well. Got a badass shirt and voltmeter for free. Fast shipping can't wait to plug it up.

  • 5

    Sundown X 15’s WOW

    Posted by Unknown on Apr 11, 2023

    Nice ,deep ,crisp sounding subwoofer

  • 5

    Awesome !!!!!

    Posted by Frank on Mar 20, 2023

    I received my subs fairly quick and they were packaged super well. When I opened the boxes I was surprised how monster these things were! They are some beasts, can’t wait to put them in!

  • 5

    Beautiful and Enormous Beast

    Posted by Andrew Geyser on Mar 02, 2023

    I just got this subwoofer today and it already hits so low. I made a custom box that's 4.5 cubic ft, and tuned the port to 32Hz. I love the tooling and the attention to detail on the whole thing, it truly is a work of art. Thanks D4S for the great gear!

  • 5


    Posted by Jeffrey Sprasky on Feb 11, 2023

    These are solid, and huge. I didn't realize what I was in for when I ordered, and when I received them I got scared, but they fit perfect, had to make some room for the amp because they are inverted and these booties are bigger than my machetes 15s. Im pushing them with the jp 23, and they moving well, but I'm going with the JP 33 or 43 for my next perchase

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