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  1. Home
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  3. Car Subwoofers
  4. Car Subwoofer Boxes
  5. Car Subwoofers with a Box (Loaded Sub Boxes)
  6. Sealed Enclosure Boxes with Car Subwoofers
  7. NVX NE121S_52CVT124

See all parts that fit your 1985 Eldorado

NVX NE121S w/ Kicker CompVT CVT124 (52CVT124)

Single 12" Sealed 3/4" MDF Black Carpeted Subwoofer Enclosure – 1.0 Cu. Ft. with Polyfil and NVX Logo w/00W Peak (400W RMS) 12" CompVT Series Single 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_52cvt124
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2026-07-27 11:08:20
List price $319.98
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$271.98

 with warranty
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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

Kicker CVT124 (52CVT124)

800W Peak (400W RMS) 12" CompVT Series Single 4-ohm Shallow Car Subwoofer
Quantity: 1

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  • 12" Single 4 ohm CompVT Series Subwoofer
  • Power Handling:
    • Peak: 900 watts
    • RMS: 450 watts
  • Injection Molded Polypropylene Cone
  • ISD (Inverted Structural Dome) to minimize cone flex and lower distortion
  • Santoprene Rubber Surround
  • Large diameter and progressive roll spider for linear cone movement
  • Rear cone brace for added strength and resistance
  • Optimized Santoprene ribbed surround radius for more bass output
  • Sleeved high-power tinsel lead wires to eliminate power loss
  • Spring-loaded nickel plated terminals for smooth connection
  • One-piece Uniplate with vented hyper-extended pole piece and backplate
  • Enhanced BAM (Basket and Motor) Assembly
  • Perimeter venting in the BAM to relieve pressure under the spider
  • High Temperature Copper voice coil on polyimide former
  • 13 mm Xmax
  • Double Stacked Ferrite magnet motor structure
  • Resonance Frequency (Fs): 36.35 Hz
  • Sensitivity: 87.1 dB
  • Recommended sealed box volume: 1 cubic feet - 4.6 cubic feet
  • Recommended ported box volume: 1.75 cubic feet - 2.25 cubic feet
  • Top-mount depth: 4-3/8"
  • Cutout diameter: 11"
  • Grille insert Kicker 52GR12 (sold separately)
  • Mesh grille Kicker GR120 (sold separately)
  • ANSI/CTA-2031-A Compliant
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

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Specifications & Details

Subwoofer Specifications
Series
CompVT Series
Subwoofer Size
12"
RMS Power Handling
400 watts
Peak Power Handling
800 watts
Woofer Surround
Santoprene Rubber
Sensitivity
87.1 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_52CVT124

Weight:

33.50lbs

Internal SKU:

ne121s_52cvt124

Internal Product ID:

228763

Customer Ratings & Reviews

NVX NE121S w/ Kicker CompVT CVT124 (52CVT124) thumbnail image
1
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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