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NVX NE121P w/ Kicker KM124 (45KM124)

Single 12" Slot Ported 3/4" MDF Black Carpeted Subwoofer Enclosure – 1.75 Cu. Ft. with Polyfil and NVX Logo w/ 350W Peak (175W RMS) 12" KM Series Single 4-ohm Marine Subwoofer

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• [12" Dual Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: 2.00 cubic feet
• Premium Black Carpet with Black NVX Logo

Learn more about the ne121p_45km124
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2026-07-27 11:08:20
List price $399.98
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$386.94

 with warranty
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Description


NVX brand icon

Authorized dealer

NVX NE121P

Single 12" Slot Ported 3/4" MDF Black Carpeted Subwoofer Enclosure – 1.75 Cu. Ft. with Polyfil and NVX Logo
Quantity: 1

Product Details:

  • Not compatible with NVX VC-Series Subwoofers
  • 12" Single Ported 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: 13-7/8"
  • Subwoofer cutout diameter: 11-7/32"
  • Internal box volume: 1.75 cubic feet
  • Dimensions: 16.50" D x 20.00" W x 16.00" H
  • Authorized Internet Dealer
  • 1-year Sonic Electronix Warranty

Port Specifications:

  • Tuning Frequency: 38 Hz
  • Port Width: 1.5"
  • Port Height: 14.50"
  • Port Length: 17.52"

Kicker KM124 (45KM124)

350W Peak (175W RMS) 12" KM Series Single 4-ohm Marine Subwoofer
Quantity: 1

Product Details:

  • 12" Single 4 ohm KM Subwoofer Series Subwoofer
  • Power Handling:
    • Peak: 350 watts
    • RMS: 175 watts
  • ANSI/CTA-2031-A Compliant
  • Injection Molded Polypropylene Cone
  • Co-molded Santoprene Rubber Surround
  • UniPlate Back Plate and Pole Piece
  • Thick tinsel leads construction
  • Large ceramic magnet motor structure
  • Polymer basket resists corrosion
  • Protective terminal cap
  • Stainless mounting hardware included
  • Meets or exceeds ASTM standards for UV and Salt/Fog Exposure
  • Black LED grille available Kicker KMG12C (sold separately)
  • White LED grille available Kicker KMG12W (sold separately)
  • Pair LED grille with Kicker KMLC LED remote (sold separately)
  • 10.3 mm Xmax
  • Single Stacked Ceramic magnet motor structure
  • Frequency Response: 30 - 500 Hz
  • Resonance Frequency (Fs): 29.9 Hz
  • Sensitivity: 88.1 dB
  • Recommended sealed box volume: 1.25 cubic feet - 3.5 cubic feet
  • Recommended ported box volume: 1.75 cubic feet - 2.25 cubic feet
  • Top-mount depth: 5 1/2"
  • Cutout diameter: 11"
  • Authorized Internet Dealer
  • 3 Year Manufacturer's Warranty

  • Sold Individually


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Specifications & Details


Subwoofer Specifications
Series
KM Subwoofer Series
Subwoofer Size
12"
RMS Power Handling
175 watts
Peak Power Handling
350 watts
Woofer Composition
Injection Molded Polypropylene
Woofer Surround
Santoprene Rubber
Sensitivity
88.1 dB
Frequency Response
30 - 500 Hz
Subwoofer Design
Round / Circle
Enclosure Specifications
Box Type
Ported
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:

NE121P_45KM124

Weight:

35.00lbs

Internal SKU:

ne121p_45km124

Internal Product ID:

228790

Customer Ratings & Reviews


NVX NE121P w/ Kicker KM124 (45KM124) thumbnail image

5 star
33%
4 star
33%
3 star
33%
2 star
0%
1 star
0%



Durability
3.5
Value
5
Features
5
Design
5
Usability
4

Customer Photos & Videos


Customer Reviews

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Nice box. And pairs good with NVX sub

The following review is for NE121P, which is a part of the bundle you are viewing.

Sounds Good. Hits hard. Couldn't ask for more from one 12.

By Nicholas on June 14, 2026 Checkmark Icon Verified purchase
2006 Chevrolet Tahoe


Nice sounding box but abit tall.

The following review is for NE121P, which is a part of the bundle you are viewing.

Great sturdy box, carpeting was nicest done only thing i disliked about it was its hight it too tall my trunk is 14.75. But this thing is 16" tall had to cuz the foam that was under the mat to make it barely fit and also re.oved the back seat...it was worth it though, im running a rf-p3d2 12"

By robinson on February 27, 2026 Checkmark Icon Verified purchase
2023 Toyota GR86


The following review is for NE121P, which is a part of the bundle you are viewing.
By Austin on February 26, 2026 Checkmark Icon Verified purchase
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