Garage
Shop

See all parts that fit your 1994 Summit

NVX SMW12D4 (Open Box, Great)

800W Peak (400W RMS) S-Series Shallow-Mount 12" Dual 4-Ohm Subwoofer

NVX
Shop all NVX
highlight-star-icon

• 800 watts Watts Peak
• 400 watts Watts RMS
• Carbon Fiber Reinforced Polypropylene Cone
• Butyl Rubber Surround
• Includes Depth Extension Clearance Plate
• Mounting Depth: 3-15/16"

Learn more about the ls-smw12d4-u8

We apologize

This item has been discontinued

Description


NVX 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.

Product Details:

  • 12" Dual 4 ohm S Series Series Subwoofer
  • Power Handling:
    • Peak: 800 watts
    • RMS: 400 watts
  • Carbon Fiber Reinforced Polypropylene Cone
  • Butyl Rubber Surround
  • 53oz Y30 High Energy Ferrite Magnet
  • Top-mount depth: 3.82"
  • Includes Depth Extension Clearance Plate for extremely shallow boxes that the subwoofer may not fit in
    • This allows you to cut a hole in the box and mount the plate over the hole to allow more depth for the subwoofer
  • Cutout diameter: 11.11"
  • Frequency Response: 25 - 350 Hz
  • Sensitivity: 88 dB
  • Resonance Frequency (Fs): 29.1 Hz
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty
  • Priced Individually

pdf icon NVX SMW12D4 Manual
PDF IconNVX LS-SMW12D4-U8 owner’s manual

Subwoofer Wiring Guide


Wiring Guide to Wire 1 NVX SMW12D4 (Open Box, Great) Subwoofer

Mono Amp

2 Channel Amp - Bridged

Wiring Guide to Wire 2 NVX SMW12D4 (Open Box, Great) Subwoofers

Mono Amp

Mono Amp - Option 1

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp - Bridged

Wiring Guide to Wire 3 NVX SMW12D4 (Open Box, Great) Subwoofers

Mono Amp

4 Channel Amp

Wiring Guide to Wire 4 NVX SMW12D4 (Open Box, Great) Subwoofers

Mono Amp

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp

Specifications & Details


Subwoofer Specifications
Series
S Series
Subwoofer Size
12"
Peak Power Handling
800 watts
RMS Power Handling
400 watts
Voice Coil(s)
Dual
Impedance (Per Voice Coil)
4 ohm
Voice Coil Material
Aluminum
Voice Coil Diameter
2.5"
Frequency Response
25 - 350 Hz
Sensitivity
88 dB
Xmax (millimeters)
8 mm
Subwoofer Design
Round / Circle
Main Cone Color
Black
Woofer Composition
Polypropylene
Woofer Surround
Butyl Rubber
Magnet Structure
Single Stacked
Magnet Type
Ferrite
Subwoofer Grille
Optional (Accessory required and sold separately)
Re-Cone Kit Available
No
CTA-2031 Compliant
Yes
Recommended Enclosure Specifications
Recommended Enclosure Type
Ported / Vented
Sealed
Optimum Sealed Box Volume
1.2 cubic feet
Optimum Ported Box Volume
1.75 cubic feet
Top-Mount Depth (Mounting Depth)
3.82"
Cutout Diameter
11.11"
Shallow Mount Installation
Yes
T/S Parameters (Electromechanical)
Free-Air Resonance (Fs)
29.1 Hz
Equivalent Compliance (Vas)
64.86 liters
Total Speaker Q Value (Qts)
0.5734
Electrical Q Value (Qes)
0.6448
Electrical Resistance of Voice Coil (Re)
6.4 ohm
Mechanical Q Value (Qms)
5.1827
What is in the box?
Paperwork
User manual
WITB: Subwoofers
Subwoofer
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

NVX

Model Number:

LS-smw12d4-u8

Weight:

11.00lbs

Internal SKU:

ls-smw12d4-u8

Internal Product ID:

207486

Customer Ratings & Reviews


NVX SMW12D4 (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


No picture

JBL BassPro SL 2 (SUBBPSL2AM) (Open Box, Great)

125W RMS Loaded Single 8" Amplified Under-Seat Compact Subwoofer Enclosure

$244.97

List price $399.95

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

2005 Chevrolet Cavalier

1994 Eagle Summit

2002 Land Rover Discovery

2020 Kia Sorento

2000 Chrysler LHS

1993 Volvo 240

2001 Audi S8

2006 Buick LaCrosse

2001 Acura Integra

2003 Chrysler Sebring

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.