Garage
Shop

See all parts that fit your 1986 4000

NVX NE121S w/ Sundown Audio SAV312D2

Single 12" Sealed 3/4" MDF Black Carpeted Subwoofer Enclosure – 1.0 Cu. Ft. with Polyfil and NVX Logo w/ 3000W Peak (1500W RMS) 12" SA Series Dual 2-ohm Subwoofer

NVX
Shop all NVX
highlight-star-icon

• 12" Single Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: 1.00 cubic feet
• Premium Black Carpet with Black NVX Logo

Learn more about the ne121s_sav312d2
Universal fit Icon

Universal – fits most vehicles.

Similar items | Update vehicle | Vehicle store
List price $615.98
Thanks , You Pay:
-19%

$501.98

 with warranty
Starting at $46/mo with

Heads up

Your vehicle can use this product in multiple locations. Only a quantity of one can be selected from the product page. You will have the option to adjust the quantity within your cart.

shipping truck icon Free shipping in USA. Provide zip for delivery date.
Quantity
In Stock
Brand new

Buy it now


Acima Logo

No Credit Option

Flexible Lease Payments

Early Purchase Options

Quick Approval Decision

Extend logo

Keep your product protected longer! Extend the warranty after the manufacturer warranty expires. 

  • Hassle-free immediate replacement within minutes!
  • Easy online claims 24/7
  • Covers product breakdowns and failures
Swoosh Icon Icon of Swoosh

For over 25 years, we've been your X-Factor – the team dedicated to having the biggest impact on your shopping experience!

Award winning icon
Award-Winning Service
Shipping icon
FREE Shipping Orders $49+
60 days return policy icon
60-Day Easy Returns
lowest price guarantee icon
Guaranteed Lowest Price
inHouseExpert
In-House Experts

Loading...
Limited time!
46CSC654 main

Kicker CSC65 (46CSC654)

600W Peak (200W RMS) 6.5” CS Series 2 Way Coaxial 4-ohm Speakers

122
-33.36%

$79.96

List price $119.99

Limited time!
46CSC6934 main

Kicker CSC693 (46CSC6934)

900W Peak (300W RMS) 6x9” CS Series 3 Way Coaxial 4-ohm Speakers with Integrated Midrange Speakers

40
-30.02%

$111.96

List price $159.99

Club 322F main

JBL Club 322F (SPKCB322FAM)

150W Peak (50W RMS) 3.5" Club Series 2 Way Coaxial 3-ohm Speakers

1
-27.29%

$79.95

List price $109.95

Limited time!
Club 622 main

JBL Club 622

360W Peak (120W RMS) 6.5" Club Series 2-way Coaxial 3-ohm Speakers

5
-28.58%

$99.95

List price $139.95

43DSC6504 main

Kicker DSC650 (43DSC6504)

480W Peak (120W RMS) 6.5” DS Series 2-way 4-ohm Coaxial Car Speakers (DSC6504)

28
-10.53%

$84.99

List price $94.99

DB652 main

Polk Audio DB652 (DB 652)

600W Peak (200W RMS) 6.5" DB+ Series 2 Way Coaxial 4-ohm Car, Marine and Powersports Speakers

12
-9.16%

$109.00

List price $119.99

PNW-65CS2 main

AudioControl PNW-65CS2

250W Peak (200W RMS) 6.5″ PNW Series 2 Way Component 3-ohm Speakers

4
-5.90%

$319.00

List price $339.00

SXE-6926S main

Alpine SXE-6926S

280W Peak (90W RMS) 6x9” SXE Series 2-way 4-ohm Coaxial Speakers

13
-20.84%

$56.99

List price $71.99

MPK 163.3 main

Hertz MPK163.3

600W Peak (300W RMS) 6.5" Mille PRO Series 3-way 4-ohm Component Speaker System

2
-14.89%

$999.99

List price $1175.00

NSP65 main

NVX NSP65

540W Peak (180W RMS) 6.5" N-Series 2 Way Coaxial Car Speakers

93
-35.19%

$69.99

List price $107.99

Description


NVX brand icon

Authorized dealer

NVX NE121S

Single 12" Sealed 3/4" MDF Black Carpeted Subwoofer Enclosure – 1.0 Cu. Ft. with Polyfil and NVX Logo
Quantity: 1

Product Details:

  • Not compatible with NVX VC-Series Subwoofers
  • 12" Single Sealed Subwoofer Enclosure
  • Made from 3/4" Medium Density Fiberboard (MDF) construction
  • Built with precision CNC technology for exceptional accuracy
  • Pre-lined with Poly-Fil for improved acoustic response
  • Premium Black Carpet with Black NVX Logo
  • Spring Loaded Push Terminals
  • Maximum subwoofer mounting depth: 10-1/8"
  • Subwoofer cutout diameter: 11-7/32"
  • Internal box volume: 1.00 cubic feet
  • Dimensions: 13.00" D x 15.00" W x 15.00" H
  • Authorized Internet Dealer
  • 1-year Sonic Electronix Warranty

Sundown Audio SA-12 v.3 D2 12" (SA12V3D2)

3000W Peak (1500W RMS) 12" SA Series Dual 2-ohm Car Subwoofer (SAV312D2)
Quantity: 1

Product Details:

  • 12" Dual 2 ohm SA Series Subwoofer
  • Power Handling:
    • Peak: 3000 watts
    • RMS: 1500 watts
  • Competition Grade Paper Cone
  • Foam Surround
  • Vented magnetic gap and solid pole piece with vent channels
  • Innovative high velocity, cast aluminum vented frame spacer ring
  • Magnet ID faraday ring and pole cap faraday ring
  • Spring-loaded terminals for easy connection
  • Stitched-on double "XL" tinsel leads
  • 2.75" High temperature Copper voice coil on aluminum former
  • 22 mm Xmax
  • Double Stacked magnet motor structure
  • Resonance Frequency (Fs): 35 Hz
  • Sensitivity: 84.05 dB
  • Recommended sealed box volume: 1.0 cubic feet
  • Recommended ported box volume: 1.75 cubic feet
  • Top-mount depth: 8.4"
  • Cutout diameter: 11.2"
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

  • Priced Individually


Best selling similar products

TNE212D small

MTX Audio TNE212D

• Sealed enclosure with 2 12" Terminator Series Subwoofer
• 200 watts RMS each
• Final Impedance: 2-ohm
• Dimensions: 29.63" L x 14" H x 13.5" W

(32)

$219.95

List price $249.95

R2S-1X10 small

Rockford Fosgate Prime R2S-1X10

• Sealed truck enclosure with 1 10" Prime R2 Series Subwoofer
• 200 watts RMS (400 watts Peak)
• Final Impedance: 2-ohm
• Dimensions: 19" L x 13.5" H x 5.25" W x 3.25" W2

(17)

$239.99

List price $239.99

49L7TDF122 small

Kicker L7TDF122 (49L7TDF122)

• Sealed truck enclosure with 1 12" Solo-Baric L7 Series Subwoofer
• 300-600 watts RMS Power Rating
• Final Impedance: 2-ohm
• Dimensions: 23 7/8" L x 6 1/2" H x 15" W

(5)

$399.99

List price $429.99

CLS113RG-W7AE small

JL Audio CLS113RG-W7AE

• ProWedge 13" W7AE Loaded Sealed Subwoofer Enclosure
• 3000W Peak
• 1500W RMS
• 3 Ohm Final Impedance
• High Grade Black Carpet Finish
• Engraved JL Audio and W7 Logos
• Rear Firing Design
• 10th Anniversary Edition W7 Subwoofer

(8)

$2199.99

List price $2299.99

TRTP122 small

Kicker TRTP122 (48TRTP122)

• Sealed truck enclosure with 2 12" CompRT Series Subwoofer
• 250-500 watts RMS Power Rating
• Final Impedance: 2-ohm
• Dimensions: 27 1/2" L x 6 1/8" H x 14 5/8" W

(4)

$349.99

List price $379.99

BXSQ112 small

NVX BXSQ112

• Sealed enclosure with 1 12" SQ Series Subwoofer
• 600 watts RMS (1200 watts Peak)
• Final Impedance: 2-ohm

$349.99

List price $479.99

49DL7TDF122 small

Kicker DL7TDF122 (49DL7TDF122)

• Sealed enclosure with 2 12" Solo-Baric L7T Series Subwoofer
• 1200 watts RMS Power
• Final Impedance: 2-ohm
• Dimensions: 38-3/16" L x 8-1/4" H x 17-1/8" W

(1)

$749.99

List price $849.99

BE-TOYHIG3-VS102 small

NVX Loaded BOOST Box - 2014-2019 Toyota Highlander - BE-TOYHIG3-VS102

• Sealed BOOST enclosure with 1 10" N Series Subwoofer
• Fits select 2014-2019 Highlander and Highlander Hybrid
• 500 watts RMS (1000 watts Peak)
• Final Impedance: 2-ohm

(2)

$349.99

List price $437.99

BE-TSLAY-G1P small

NVX Loaded BOOST Box - 2020-2023 Tesla Model Y - BE-TSLAY-G1P (Passenger's Side)

• Sealed BOOST enclosure with 1 10" N Series Subwoofer (Passenger Side)
• Fits select 2020-2023 Model Y (5-seat models only)
• 500 watts RMS (1000 watts Peak)
• Final Impedance: 2-ohm

(2)

$279.99

List price $562.99

TL7T122 small

Kicker TL7T122 (46TL7T122)

• Sealed truck enclosure with 1 12" Solo-Baric L7T Series Subwoofer
• 600 watts RMS power handling
• Final Impedance: 2-ohm
• Dimensions: 21.5" L x 13.75" H x 7.75" W x 4.375" W2

(9)

$295.96

List price $399.99

Specifications & Details


Subwoofer Specifications
Series
SA Series
Subwoofer Size
12"
RMS Power Handling
1500 watts
Peak Power Handling
3000 watts
Woofer Composition
Paper
Woofer Surround
Foam
Sensitivity
84.05 dB
Subwoofer Design
Round / Circle
Enclosure Specifications
Box Type
Sealed
Number of Subwoofers
1
Box Style/Shape
Square/Rectangle
Wood Thickness
3/4"
Number of Terminals
1
Terminal Type
Binding posts (banana clip ready)
Box Exterior Color
Black
Box Finish
Carpet
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Sonic Electronix

Item Details


Manufacturer:

NVX

Model Number:

NE121S_SAV312D2

Weight:

20.77lbs

Internal SKU:

ne121s_sav312d2

Internal Product ID:

228895

Customer Ratings & Reviews


NVX NE121S w/ Sundown Audio SAV312D2 thumbnail image

5 star
100%
4 star
0%
3 star
0%
2 star
0%
1 star
0%



Durability
5
Value
5
Features
5
Design
5
Usability
5

Customer Reviews

Sort by:

Loading...
This item does not have any detailed reviews, but has 1 rating from customers


NCHV 2 12 small

Ground Shaker NCHV 2 12

12" Dual Sealed GMC Sierra and Chevy Silverado Extended Cab Subwoofer Enclosure

(3)

$169.95

List price $189.95

GM-D9705 small

Pioneer GM-D9705

2000W 5-Channel GM Digital Champion Series Class D Amplifier w/ Wired Bass Boost Remote

(2)

$400.00

List price $450.00

SSAnl250S small

Stinger SSAnl250S

250 AMP ANL Fuse - Single Pack

(1)

$8.99

List price $8.99

SAF68 small

Scosche SAF68

1995-up Select Ford / Mercury Speaker Adaptors

(1)

$9.99

List price $14.99

SAFD658 small

Scosche SAFD658

2015-up Ford F-150 6-1/2" & 6-3/4" Speaker Adapters

(2)

$17.99

List price $19.95

SASU651 small

Scosche SASU651

2008-2015 Subaru Multi 6.5" Speaker Adapter

$23.99

List price $23.95

90-96-chevy-corvette-rpspkg small

NVX N-Series Rear Panel Speaker Upgrade Kit

6.5" N-Series 2 Way Coaxial Car Speaker Upgrade Kit for 1990-1996 Chevy Corvette

(93)

$69.99

List price $107.99

THAR-ONE-NIS2 small

Fortin THAR-ONE-NIS2

EVO-ONE T-Harness for Select 2003 - 2015 Nissan/Infiniti Vehicles

$43.95

List price $49.95

Related Searches


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

1986 Audi 4000

2023 BMW M8

2001 BMW 525i

2022 Audi Q3

2000 Dodge Durango

2020 Lexus ES300h

2004 Honda Element

1972 Mazda Mizer

1982 GMC G2500

1991 Geo Tracker

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.