Garage
Shop

See all parts that fit your 2021 Bronco

Sundown Audio UV.2 18" D2 (Open Box, Great)

1750W RMS 18" U Series Dual 2-ohm Car Subwoofer

Sundown Audio
Shop all Sundown Audio
highlight-star-icon

• RMS Power: 1750 watts
• Impedance: Dual 2 ohm
• Mount depth: 10"
• Sensitivity: 89.4169 dB

Learn more about the uv218d2_obg

We apologize

This item has been discontinued

Description


Sundown Audio brand icon

Authorized dealer

Item Condition - Open Box, Great:

This product works like new, is well-cared-for and in great condition. May show limited signs of wear or use and may be missing non-essential parts, accessories or original packaging.

Sundown Audio U-18 v.2 D2 18" (U18V2D2)

4000W Peak (2000W RMS) 18" U Series Dual 2-ohm Car Subwoofer (SW-UV218D2)
Quantity: 1

Product Details:

  • 18" Dual 2 ohm U Series Subwoofer
  • Power Handling:
    • Peak: 4000 watts
    • RMS: 2000 watts
  • Pressed Paper Cone
  • Double-Stitched Surround
  • Optimized for small ported or bandpass enclosures
  • Heavy-duty cast basket for added durability
  • Spring-loaded terminals accept up to 8-gauge wire
  • Stitched-on heavy-duty tinsel leads for easy connection
  • Solid pole with vent channels and aluminum shorting ring cap
  • Rear gap-venting and top cooling channels
  • 3" High Temperature Copper Voice coil
  • Aluminum voice coil former for superior heat dissipation
  • 30 mm Xmax
  • Double Stacked Ferrite magnet motor structure
  • Resonance Frequency (Fs): 30.9541 Hz
  • Sensitivity: 89.41 dB
  • Recommended sealed box volume: 3.0 cubic feet
  • Recommended ported box volume: 4.0 cubic feet
  • Top-mount depth: 10"
  • Cutout diameter: 16.9"
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

  • Priced Individually

Subwoofer Wiring Guide


Wiring Guide to Wire 1 Sundown Audio UV.2 18" D2 (Open Box, Great) Subwoofer

Mono Amp

Mono Amp - Option 1

2 Channel Amp - Bridged

Wiring Guide to Wire 2 Sundown Audio UV.2 18" D2 (Open Box, Great) Subwoofers

Mono Amp

2 Channel Amp

4 Channel Amp - Bridged

Wiring Guide to Wire 3 Sundown Audio UV.2 18" D2 (Open Box, Great) Subwoofers

Mono Amp

Mono Amp - Option 1

4 Channel Amp

Wiring Guide to Wire 4 Sundown Audio UV.2 18" D2 (Open Box, Great) Subwoofers

2 Channel Amp

4 Channel Amp

Specifications & Details


Subwoofer Specifications
Series
U Series
Subwoofer Size
18"
RMS Power Handling
1750 watts
Voice Coil(s)
Dual
Impedance (Per Voice Coil)
2 ohm
Voice Coil Material
Aluminum
Voice Coil Diameter
3"
Sensitivity
89.4169 dB
Xmax (millimeters)
30 mm
Subwoofer Design
Round / Circle
Main Cone Color
Black
Magnet Structure
Double Stacked
Recommended Enclosure Specifications
Recommended Enclosure Type
Bandpass
Ported / Vented
Sealed
Optimum Sealed Box Volume
3.0 cubic feet
Optimum Ported Box Volume
4.0 cubic feet
Top-Mount Depth (Mounting Depth)
10"
Cutout Diameter
16.9"
Shallow Mount Installation
No
T/S Parameters (Electromechanical)
Free-Air Resonance (Fs)
30.9541 Hz
Equivalent Compliance (Vas)
111.7625 liters
Total Speaker Q Value (Qts)
0.5151
Electrical Q Value (Qes)
0.5669
Electrical Resistance of Voice Coil (Re)
3.8710 ohm
Mechanical Q Value (Qms)
5.6396
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

UV218D2_OBG

Weight:

62.00lbs

Internal SKU:

uv218d2_obg

Internal Product ID:

224396

Customer Ratings & Reviews


Sundown Audio UV.2 18

5 star
0%
4 star
0%
3 star
0%
2 star
0%
1 star
0%



Durability
0
Value
0
Features
0
Design
0
Usability
0

Customer Reviews

Sort by:

Loading...
Sorry, no reviews found


VAGTB3 small

GROM Audio VAGTB3 Bentley and VW Bluetooth Streaming Kit (GROM-BT3-VAGT)

Add Bluetooth Hands Free Calling and Music Streaming to Select 1998-2010 Bentley and VW Factory Radios

(2)

$179.99

List price $179.99

Related Searches


Save up to 10 different vehicles in your garage
Vehicle
Store
Delete

2021 Ford Bronco

2006 Honda Civic

2010 Nissan Cube

2008 Kia Spectra

2017 Ford Escape

2018 Jeep Compass

2010 BMW M3

2009 Ford Fusion

2008 Ford Explorer

2003 GMC Sierra 2500 HD

Add vehicle Clear all vehicles
Where to find vehicle info
Are you sure you want to clear your garage?
This action cannot be undone. Confirm
This page was not designed for products.
If you continue, you will be redirected to a category customized for your vehicle. Continue
Loading...
Identify your vehicle and submodel details
  • Owner's manual
  • Vehicle's insurance card
  • Vehicle registration
  • Vehicle produced after 2005: Inside driver's side door
  • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
Car Info Side Door Icon
Vehicle Registration Icon
Vehicle Insurance Icon

Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.