SKU: 80299421875

Sundown Audio - U-Series v.2 12"

Sale price$405.00 Regular price$450.00
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Description

Sundown Audio - U-Series v.2 12"2000 Watts RMS 4000 Watts Peak Dual 2 or 4 ohm voice coils Optimized for small ported or bandpass enclosures Aluminum 3 voice coil former for superior heat dissipation High temperature copper voice coil Double stitched surround Heavy duty cast basket Spring loaded terminals accept up to 8 gauge wire Stitched on heavy duty tinsel leads Solid pole with vent channels and aluminum shorting ring cap Rear gap venting Top Plate Cooling Channels Designed to

  • 2000 Watts RMS / 4000 Watts Peak
  • Dual 2 or 4 ohm voice coils
  • Optimized for small ported or bandpass enclosures
  • Aluminum 3” voice coil former for superior heat dissipation
  • High-temperature copper voice coil
  • Double stitched surround
  • Heavy-duty cast basket
  • Spring-loaded terminals accept up to 8-gauge wire
  • Stitched-on heavy-duty tinsel leads
  • Solid pole with vent channels and aluminum shorting ring cap
  • Rear gap-venting
  • Top-Plate Cooling Channels

Designed to be at home in the competition lanes or playing your favorite music, the U Series is the premier “standard suspension” woofer in the Sundown lineup. A double-stacked 9.4-inch wide ferrite magnet system is coupled to a thick top plate. A thick set of shorting rings are used inside the magnets and on the pole cap, smoothing out frequency response while doubling as a heat sink and airflow guide. A custom, substantially thicker aluminum frame was designed specifically for the U Series, equipped with heat dissipation ribs. The U v.2 motor also features an extended pole piece to keep the coil under perfect control under high stress. The coil temperature is kept in check via a high-velocity solid pole / machined pole channels arrangement and a series of 16 direct air-gap vents in the back plate.

Specifications

T/S SPECS UV.2 12" D2 UV.2 12" D4
RE (Ohms) 3.8407 6.0577
FS (Hz) 41.3260 41.9087
VAS (L) 14.7612 14.7535
Qes 0.4862 0.5870
Qms 4.7454 4.9022
Qts 0.4410 0.5242
Le (mH) 3.1858 4.3694
BL (NA) 27.2694 31.1265
Mms (Grams) 358.6438 356.5462
Cms (uM/N) 40.4709 40.4498
Sens (dB @ 1w/1m) 85.1980 84.4191
Xmax 30mm 30mm

Enclosure Specifications

Sealed Enclosure 1.0 cu ft
Ported Enclosure 2.0 cu ft
Recommended Tuning 35Hz
Recommended Port Area 32 sq in
Displacement 0.21 cu ft
Depth 8.43″
Outside Diameter 12.84″
Cut-Out 11.2″
Physical Dimensions Download

Dimensions

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 80299421875

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Deborah R
Carnegie, US
★★★★★ 4
Comfort
Size: Medium, Unit Count: 4
Easy to put on.
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Reviewed in the United States on April 9, 2026
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Teresa McGill
Lake Worth, US
★★★★★ 1
Do not buy this
Size: Medium, Unit Count: 2
This is not a good product ! Whenever I put products on my feet and put them on the socks they were on for about 2 to 3 minutes I had to keep adjusting them on my feet then they started ripping
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Reviewed in the United States on December 8, 2025
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Darlene
Lowell, US
★★★★★ 5
Amazing
Size: Medium, Unit Count: 2
Absolutely LOVE IT! These feel so wonderful on my feet and definitely helps dry cracked feet feel smoother and hydrated. So glad I bought these
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Reviewed in the United States on March 21, 2026
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Claudia
Waukegan, US
★★★★★ 5
LOVE IT
Color: Pink
It's STRONG. Tap lightly and so much sparkle comes out. I keep it in the box it came in and it's perfect. Will be rebuying.
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Reviewed in the United States on May 19, 2026
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Natalie
Alexandria, US
★★★★★ 5
LOVE FOR GOING OUT
Color: Pink
Love!! I put it on after the shower. It has no smell and definitely worth the price. Might need to poke it a couple times over time but other than that it’s great!
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Reviewed in the United States on April 27, 2026

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