Search  for anything...

Sundown Audio U-10 D4 10" 1500W RMS Dual 4-Ohm U-Series Subwoofer

  • Based on 13 reviews
Condition: New
Checking for the best price...
$449.99 Why this price?
Save $90.00 was $539.99

Buy Now, Pay Later


As low as / mo
  • – Up to 36-month term if approved
  • – No impact on credit
  • – Instant approval decision
  • – Secure and straightforward checkout

Ready to go? Add this product to your cart and select a plan during checkout.

Payment plans are offered through our trusted finance partners Klarna, PayTomorrow, Affirm, Afterpay, Apple Pay, and PayPal. No-credit-needed leasing options through Acima may also be available at checkout.

Learn more about financing & leasing here.

Free shipping on this product

30-day refund/replacement

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

To initiate a return, please visit our Returns Center.

View our full returns policy here.


Availability: In Stock.
Fulfilled by WoofersEtc

Arrives Tuesday, Sep 30
Order within 2 hours and 41 minutes
Available payment plans shown during checkout

Features

  • *ONLY 1 PIECE OF SUBWOOFER* The Sundown Audio U-10 is a 10-in subwoofer with a 1500 W RMS power rating. It has a 0.6-in long pole-extension motor to keep the coil under control at high levels of excursion. It also has a cast aluminum frame that allows for taller cones that provide enhanced coil stability and increased mechanical excursion capability.

Description

U-10 D4 - Sundown Audio 10" Dual 4-Ohm 1500W RMS U-Series SubwooferSPECIFICATIONS: DC Resistance (Re): 6.1 Ω Resonance Frequency (Fs): 41.1 Hz Equivalent Volume (Vas): 11.5 L Electrical Q Factor (Qes): 0.39 Mechanical Q Factor (Qms): 3.21 Total Q Factor (Qts): 0.35 Voice Coil Inductance (Le): 3.71 mH Force Factor (BL): 29.7 NA Moving Mass (incl. Air Load) (Mms): 219.7 g Suspension Compliance (Cms): 0.07 mm/N Sensitivity: 84.9 dB 1w / 1mBox Recommendations: Sealed: 0.5 cu. ft. Ported: 1.0 cu. ft. Displacement: 0.21 cu. ft. Depth: 7.007 in Outside Diameter: 10.94 in Cutout Diameter: 9.17 in Recommended Tuning: 32 Hz Recommended Port Area: 16 sq. in

Brand: Sundown Audio


Speaker Maximum Output Power: 1500 Watts


Connectivity Technology: wired


Audio Output Mode: Surround


Mounting Type: Flush Mount


Model Name: ‎U 10


Speaker Type: ‎Subwoofer


Recommended Uses For Product: ‎Volume


Compatible Devices: ‎Laptop, MP3 Player, Television, Home Theater, Karaoke Machine


Subwoofer Diameter: ‎10 Inches


Controller Type: ‎ring


Surround Sound Channel Configuration: ‎1.0


Included Components: ‎Subwoofer, cast aluminum frame, 0.6-in long pole-extension motor


Product Dimensions: ‎7.01"D x 10.94"W x 10.94"H


Impedance: ‎6.1 Ohm


Is Waterproof: ‎FALSE


Warranty Type: ‎Limited


Number of Items: ‎1


Control Method: ‎App


Speaker Size: ‎10 Inches


Power Source: ‎Corded Electric


Woofer Diameter: ‎10 Inches


Vehicle Service Type: ‎Car


Customer Package Type: ‎FFP


Audio Driver Type: ‎Dynamic Driver


Audio Driver Size: ‎10 Inches


Subwoofer Connectivity Technology: ‎Wired


Connectivity Protocol: ‎Ethernet


Includes MP3 player?: ‎No


Number Of Circuits: ‎1


UPC: ‎796516055114


Manufacturer: ‎Sundown Audio


Item Weight: ‎44.6 pounds


Item model number: ‎U-Series


Is Discontinued By Manufacturer: ‎No


Manufacturer Part Number: ‎U-10 D4


Wattage: ‎1500 watts


Date First Available: March 20, 2018


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Tuesday, Sep 30

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • Start saving your money!
Totally worth the money throw down on it and you won't be disappointed just have enough power to run through it. Clean, heart pounding sound! Even the guy six cars up from you that doesn't listen to your music will say well that sounds pretty good
Reviewed in the United States on April 25, 2025 by Ben

  • V.2 D4
Very good sub, I actually want this one I got the one before this model which is 500 watts less it’s rms is 1000w and it’s amazing everyone even Memphis mojo owners and fosgate owners have asked what I pack in my pick up.
Reviewed in the United States on July 13, 2022 by Juan Delgado

  • Worth every penny
This is an incredible sub donot let people convince you that skar and sundown are the same...the sundown being American made is far superior to other subs in its wattage range...
Reviewed in the United States on February 21, 2019 by Nola

Can't find a product?

Find it on Amazon first, then paste the link below.
Checking for best price...