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

MSRP: $824.99
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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

32 Reviews Hide Reviews Show Reviews

  • 5
    Awesome Sub, Kickass BASS

    Posted by Holden on Jul 17th 2021

    This thing slams, running it off a JP23 amp, makes the roof and back door of my RAV4 flex at 30hz. Definitely pissing off some neighbors.

  • 5
    Sundown x 15 v2

    Posted by Steve Dulnik on Jul 14th 2021

    I just found my new favorite store to shop I ordered a 2nd sundown x 15 v2. It came in 4 days. They sent me a cool T-shirt I love it A lanyard a sticker a voltmeter. For free. I’m running 2 of these x v2 15s. With a Orion hcca 3k at 2 ohms and wow I really couldn’t ask for more it’s flexing my Ford Explorer like crazy!!!!!!! Thank you team down 4 sound

  • 5
    Deep bass for days!!

    Posted by RICHARD Myles on May 31st 2021

    This thing slams i have on a jp23 and it eats it alive never even getting warm!!! Love this sub

  • 5

    Posted by Ivan on May 18th 2021

    Theses subs gets down don’t talk about the lows I’m satisfied

  • 5

    Posted by Jeremy Talley on May 15th 2021

    Excellent packaging a shipping time. Beast of a subwoofer

  • 5
    Great sub

    Posted by Ivan Banks on May 15th 2021

    This thing pounds man

  • 5

    Posted by Brett morey on May 8th 2021

    Great sub sounds amazing And loud powered by a sfb 3k

  • 5
    Sundown x-15

    Posted by Joseph Herr on Apr 7th 2021

    Best sub i have ever had had a skar evl 15 blow it with in a week so I got one x-15 from sundown yard sale love it it hits hard as hell so I had to get a second one down for sound shipped it fast good people good people thanks to all you at down for sound for putting up with me lol

  • 5
    X15 v2

    Posted by Jeff on Mar 18th 2021

    These are huge! And I couldn't get over the quality they put into there subwoofer's! Super awesome and hits the low lows very nice!