Garage
Shop

See all parts that fit your 2020 4Runner

Sundown Audio U-6.5SW (Open Box, Great)

400W RMS 6.5" U Series Dual 2-ohm Car Subwoofer

Sundown Audio
Shop all Sundown Audio
highlight-star-icon

• RMS Power: 400 watts
• Impedance: Dual 2 ohm
• Mount depth: 5.71"
• Sensitivity: 77.8706 dB

Learn more about the uv165d2_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-6.5SW D2 6.5" (U65SWD2)

1000W Peak (500W RMS) 6.5" U Series Dual 2-ohm Car Subwoofer (SW-UV16.5D2)
Quantity: 1

Product Details:

  • 6.5" Dual 2 ohm U Series Subwoofer
  • Power Handling:
    • Peak: 1000 watts
    • RMS: 500 watts
  • Pressed Paper Cone
  • Double-Stitched Surround
  • Optimized for small ported 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
  • 1.75" High Temperature Copper Voice coil
  • Aluminum voice coil former for superior heat dissipation
  • 19 mm Xmax
  • Double Stacked magnet motor structure
  • Bolt-through motor design to ensure maximum longevity
  • Resonance Frequency (Fs): 41.9533 Hz
  • Sensitivity: 77.87 dB
  • Recommended sealed box volume: 0.125 cubic feet - 0.2 cubic feet
  • Recommended ported box volume: 0.25 cubic feet - 0.35 cubic feet
  • Top-mount depth: 5.71"
  • Cutout diameter: 5.94"
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

  • Priced Individually

Subwoofer Wiring Guide


Wiring Guide to Wire 1 Sundown Audio U-6.5SW (Open Box, Great) Subwoofer

Mono Amp

Mono Amp - Option 1

2 Channel Amp - Bridged

Wiring Guide to Wire 2 Sundown Audio U-6.5SW (Open Box, Great) Subwoofers

Mono Amp

2 Channel Amp

4 Channel Amp - Bridged

Wiring Guide to Wire 3 Sundown Audio U-6.5SW (Open Box, Great) Subwoofers

Mono Amp

Mono Amp - Option 1

4 Channel Amp

Wiring Guide to Wire 4 Sundown Audio U-6.5SW (Open Box, Great) Subwoofers

2 Channel Amp

4 Channel Amp

Specifications & Details


Subwoofer Specifications
Series
U Series
Subwoofer Size
6.5"
RMS Power Handling
400 watts
Voice Coil(s)
Dual
Impedance (Per Voice Coil)
2 ohm
Voice Coil Material
Aluminum
Voice Coil Diameter
1.75"
Sensitivity
77.8706 dB
Xmax (millimeters)
19 mm
Subwoofer Design
Round / Circle
Main Cone Color
Black
Magnet Structure
Double Stacked
Magnet Type
Ferrite
Recommended Enclosure Specifications
Recommended Enclosure Type
Ported / Vented
Sealed
Minimum Sealed Box Volume
0.125 cubic feet
Maximum Sealed Box Volume
0.2 cubic feet
Minimum Ported Box Volume
0.25 cubic feet
Maximum Ported Box Volume
0.35 cubic feet
Top-Mount Depth (Mounting Depth)
5.71"
Cutout Diameter
5.94"
Shallow Mount Installation
No
T/S Parameters (Electromechanical)
Free-Air Resonance (Fs)
41.9533 Hz
Equivalent Compliance (Vas)
2.9053 liters
Total Speaker Q Value (Qts)
0.4937
Electrical Q Value (Qes)
0.5238
Electrical Resistance of Voice Coil (Re)
4.0586 ohm
Mechanical Q Value (Qms)
8.5834
What is in the box?
WITB: Subwoofers
Subwoofer
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

UV165D2_OBG

Weight:

16.00lbs

Internal SKU:

uv165d2_obg

Internal Product ID:

224667

Customer Ratings & Reviews


Sundown Audio U-6.5SW (Open Box, Great) thumbnail image

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


P3SD4-12 small

Rockford Fosgate Punch P3 P3SD4-12

800W Peak (400W RMS) 12" Punch Series Dual 4-ohm Shallow Car Subwoofer

(15)

$219.99

List price $239.99

MM6501 small

Polk Audio MM6501 Open Box Complete

6.75" (Oversized 6.5") Mobile Monitor (MM) Series Component Car Audio Speaker System

$199.95

List price $399.95

No picture

Rockford Fosgate P1652-S w/ Sound Dampening

6-1/2" Punch Series Component Speakers System with Four 10" x 10" Pieces of Sound Dampening Material

$137.91

List price $309.97

SPF82150 small

Stinger SPF82150

150 Amp Gold Plated ANL Fuse (Sold Individually)

$6.99

List price $16.99

Related Searches


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

2020 Toyota 4Runner

2018 Chevrolet Corvette

2021 Audi S5

2011 Volvo XC70

2015 Land Rover LR4

1997 Lexus LX450

2017 Dodge Viper

2015 Mitsubishi Lancer

1991 Cadillac Brougham

1991 Audi 200

Vehicle
Store
Delete

2010 Harley Davidson FLHXSE CVO Street Glide

Vehicle
Store
Delete

2022 Polaris RZR Pro R Ultimate

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.