SKU: 83939165300

Sundown Audio - U-Series v.2 10"

Sale price$382.50 Regular price$425.00
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Description

Sundown Audio - U-Series v.2 10"2000 Watts RMS 4000 Watts Peak Dual 2 or 4 ohm voice coils Optimized for small ported 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

  • 2000 Watts RMS / 4000 Watts Peak
  • Dual 2 or 4 ohm voice coils
  • Optimized for small ported 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

RE (Ohms) 3.918 6.1962
FS (Hz) 49.9826 48.2463
VAS (L) 5.6312 6.1900
Qes 0.5327 0.6317
Qms 4.4138 4.5611
Qts 0.4753 0.5548
Le (mH) 3.1056 4.1634
BL (NA) 26.5116 29.7199
Mms (Grams) 304.2236 297.0392
Cms (uM/N) 33.3280 36.6351
Sens (dB @ 1w/1m) 82.9533

82.1635

Xmax 30mm

30mm

T/S SPECS UV.2 10" D2 UV.2 10" D4

Enclosure Specifications

Sealed Enclosure 0.5 cu ft
Ported Enclosure 1.0 cu ft
Recommended Tuning 35Hz
Recommended Port Area 16 sq in
Displacement 0.21 cu ft
Depth 8.15″
Outside Diameter 11″
Cut-Out 9.75″
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
    • If time is of the essence, please consider selecting expedited delivery for faster service.
    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: 83939165300

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    Jeremy
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    ★★★★★ 4
    As far as punk rock inspired shirts go this one is
    Color: Off White&black, Size: XX-Large
    The shirt looks nice but the material isn't what it looks like in the picture. It's actually kind of thick, almost like a weaved cotton pattern, if that makes sense. I got it during a heatwave, couldn't wear it. But if you're looking for a decent fall weather t-shirt, well worth the grab.
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    Reviewed in the United States on August 28, 2025
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    Lori Ann Rojas
    Cuba, US
    ★★★★★ 5
    A shirt that makes you feel good...
    Color: Off White&black, Size: XX-Large
    Im very pickey about fabric and the way it fits my body. This shirt is comfortable. I love the colors. I liked it so much, I bought another one. This shirt makes me feel good when i put it on.
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    Reviewed in the United States on September 28, 2025
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    Eric Graham
    Pawtucket, US
    ★★★★★ 3
    Go up a size
    Color: Off White&burgundy, Size: X-Large
    Material feels great but sizes are not accurate. If you’re a XL, go up a size.
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    Reviewed in the United States on April 4, 2026
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    Javi Elenes
    Carnegie, US
    ★★★★★ 5
    True to size
    Color: Off White&burgundy, Size: Small
    Loved the shirt !
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    Reviewed in the United States on January 1, 2026
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    MBL
    Alexandria, US
    ★★★★★ 5
    I returned- did not like the fabric pattern
    Color: Off White&black, Size: Large
    I returned- did not like the fabric pattern. Nothing wrong w the shirt itself. pic looks better than it is.
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    Reviewed in the United States on January 12, 2026

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