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NVX NE121S w/ Sundown Audio SLD 12″ D4

Single 12" Sealed 3/4" MDF Black Carpeted Subwoofer Enclosure – 1.0 Cu. Ft. with Polyfil and NVX Logo w/ 600W RMS 12" SLD Series Dual 4-ohm Shallow Car Subwoofer

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• 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_sld12d4

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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 SLD 12″ D4

600W RMS 12" SLD Series Dual 4-ohm Shallow Car Subwoofer
Quantity: 1

Product Details:

  • 12" Dual 4 ohm SLD Series Subwoofer
  • Power Handling:
    • RMS: 600 watts
  • Black Aluminum voice coil for superior heat dissipation
  • 4-layer copper voice coil wire
  • Stitched-on “Mini-XL” tinsel leads to prevent fatigue and failure
  • Solid pole-piece and multi-vent magnetic gap
  • Dual-magnet design for smooth acoustic response
  • Custom tooled cone shape for reduced mechanical noise over high excursion
  • Bolt-through motor design to ensure maximum longevity and ruggedness
  • 2.5" High Temperature Aluminum Voice coil
  • 12 mm Xmax
  • Double Stacked magnet motor structure
  • Resonance Frequency (Fs): 45.142 Hz
  • Sensitivity: 88.3 dB
  • Recommended sealed box volume: 1.0 cubic feet
  • Recommended ported box volume: 1.5 cubic feet
  • Top-mount depth: 5.45"
  • Cutout diameter: 11.125"
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

  • Priced Individually


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Specifications & Details


Subwoofer Specifications
Series
SLD Series
Subwoofer Size
12"
RMS Power Handling
600 watts
Sensitivity
88.3 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_SLD12D4

Weight:

43.90lbs

Internal SKU:

ne121s_sld12d4

Internal Product ID:

228894

Customer Ratings & Reviews


NVX NE121S w/ Sundown Audio SLD 12″ D4 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

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The following review is for NE121S, which is a part of the bundle you are viewing.

Works great with my Kicker CWR124

By GrimGodiva on June 9, 2026 Checkmark Icon Verified purchase



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