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Single 15" Sealed MDF Subwoofer Enclosure (Belva MDFS15)

15-inch Sealed Car Sub Box Made with 3/4" MDF and lined w/ Polyfil (1.9 cu ft airspace 15SQTC)

In Stock
|

List price $74.99

You Save: $30.00 (40.01%)

$44.99

with warranty

Order within 19 hrs 4 mins to ship 5/29

Arrives by Tuesday, June 2 to zip 20147

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In Stock

Arrives by Tue, June 2

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Bundled Savings with this Product

Get a FREE Sealed Enclosure with Your Subwoofer Purchase!

Add a Belva MDFS15 Sealed Subwoofer Enclosure to your Subwoofer purchase and save $45. Simply click the "Add Both to Cart" button. This offer cannot be combined with any other coupons or offers.

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Get a FREE Sealed Enclosure with Your Subwoofer Purchase!

Add a Belva MDFS15 Sealed Subwoofer Enclosure to your Subwoofer purchase and save $45. Simply click the "Add Both to Cart" button. This offer cannot be combined with any other coupons or offers.

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Save 25% on a Sealed Enclosure with Your Subwoofer Purchase!

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Save 25% on a Sealed Enclosure with Your Subwoofer Purchase!

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Save 25% on a Sealed Enclosure with Your Subwoofer Purchase!

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Save 25% on a Sealed Enclosure with Your Subwoofer Purchase!

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Save 25% on a Sealed Enclosure with Your Subwoofer Purchase!

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Save 25% on a Sealed Enclosure with Your Subwoofer Purchase!

Save 25% when you add a Belva MDFS15 Sealed Subwoofer Enclosure to your Subwoofer purchase. Simply click the "Add Both to Cart" button. This offer cannot be combined with any other coupons or offers.

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Save 25% on a Sealed Enclosure with Your Subwoofer Purchase!

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Save 25% on a Sealed Enclosure with Your Subwoofer Purchase!

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Save 25% on a Sealed Enclosure with Your Subwoofer Purchase!

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Save 25% on a Sealed Enclosure with Your Subwoofer Purchase!

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Save 25% on a Sealed Enclosure with Your Subwoofer Purchase!

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Save 25% on a Sealed Enclosure with Your Subwoofer Purchase!

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Save 25% on a Sealed Enclosure with Your Subwoofer Purchase!

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Save 25% on a Sealed Enclosure with Your Subwoofer Purchase!

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Save 25% on a Sealed Enclosure with Your Subwoofer Purchase!

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Save 25% on a Sealed Enclosure with Your Subwoofer Purchase!

Save 25% when you add a Belva MDFS15 Sealed Subwoofer Enclosure to your Subwoofer purchase. Simply click the "Add Both to Cart" button. This offer cannot be combined with any other coupons or offers.

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FREE Sealed Enclosure with Your Image Dynamics Sub Purchase!

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FREE Sealed Enclosure with Your Image Dynamics Sub Purchase!

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Single 15" Sealed MDF Subwoofer Enclosure (Belva MDFS15)

25% Off a Sealed Enclosure with Your Kicker Sub Purchase!

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Single 15" Sealed MDF Subwoofer Enclosure (Belva MDFS15)

Get a FREE Sealed Enclosure with Your Kicker Sub Purchase!

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Get a FREE Sealed Enclosure with Your Kicker Sub Purchase!

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Get a FREE Sealed Enclosure with Your Kicker Sub Purchase!

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Get a FREE Sealed Enclosure with Your Kicker Sub Purchase!

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Single 15" Sealed MDF Subwoofer Enclosure (Belva MDFS15)

50% Off Speaker Wire with Purchase

Get 50% Off Belva 12 Gauge Speaker Wire when you purchase a Belva Subwoofer Enclosure. Simply Click the "Add Both to Cart" button to the right. This offer cannot be combined with any other coupons or offers.

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(Offer 1 of 38)

Combined Total Price

$229.99

You Save $44.99

 

Product Features:

  • 15" Single Sealed Subwoofer Enclosure
  • 3/4" High Quality MDF Material machine-cut to perfection
  • Now lined with Poly-fill
  • Professionally Sealed, caulked, and carpeted
  • Terminal cup installed with gold screw posts
  • Durable black carpeting
  • Mounting Depth: 14-1/2"
  • Cutout Diameter: 14-3/4"
  • Internal Box Volume: 1.90 cubic ft.
  • Box Dimensions: 17-3/4"W x 16-1/4"H x 15-1/4"D
  • 1 Year Manufacturer's Warranty

Speaker Box / Enclosure Specifications

Subwoofer Size
Refers to the diameter of the subwoofer, measured in inches.
15"
Subwoofer Cutout Shape
This is the shape of the enclosures cutout hole and defines the style of subwoofer that can be installed.
Round / Circle
Box Type
Represents the style of the enclosure. Be sure to purchase the appropriate enclosure type and internal volume that will be compatible with your subwoofer's recommendation.

Sealed - Sealed boxes are those that have no holes or vents in it. The only hole in a sealed box is where the subwoofer is installed. Smaller sealed boxes require more power than a larger sealed box. They provide a tight, accurate bass, while the larger sealed enclosures provide a "boomier" and louder bass.

Ported / Vented - Ported/Vented Enclosures provide an even boomier, louder bass, but less accurate then a small, sealed box. Ported enclosures typically require more airspace per sub and also less power output from an amplifier to perform correctly.

Bandpass - Bandpass enclosures make subwoofers perform efficiently, but loose. The bass is not as "boomy" as a ported enclosure nor as punchy as a sealed enclosure. Bandpass enclosures work well with lower to mid-level subwoofers.
Sealed
Number of Subs/Speakers
This value represents the number of speakers or subwoofers that the enclosure accommodates.
1
Box Style/Shape
The box style or shape refers to the actual shape of the box. Square and rectangular boxes are straight-edged boxes on all sides, whereas hatchback and truck style enclosures feature an angled front or back design that allows for installation in places short on depth such as single cab pickup trucks. You can also use such enclosures in hatchback cars or other vehicles where space is a premium. Tube and cylinder shaped boxes were made popular by Bazooka and are a great option for those looking for a nice amount of bass without sacrificing lots of space. They may even fit in locations that slim truck boxes cannot fit in. If the enclosure is vehicle specific, we encourage you to read the product description to find out which vehicles the enclosure is made for.
Square/Rectangle
Cutout Diameter or Length
The actual diameter of the hole in the subwoofer box. Length is the measured length per side of a square subwoofer or speaker opening.
14-3/4"
Maximum Speaker Depth
Your subwoofer or speaker must not exceed this dimension in order to properly mount in this enclosure.
14-1/2"
Total Box Volume
The internal volume measurement in cubic feet before subwoofer magnet displacement.
1.90 cubic feet
Box Volume (Each Chamber)
This is the total air space inside each chamber of the empty subwoofer enclosure. By matching this value with the recommended air space of the subwoofer, you will be able to know if the subwoofer will match this box.
Height
The height of the item, measured from top to bottom, in inches.
16-1/4"
Width
The width of the item from left to right (side-to-side) measured in inches.
17-3/4"
Depth
The front-to-rear depth of the item, in inches. If the item is angled or slanted, this value is the bottom measurement.
15-1/4"
Wood Thickness
The thickness of the wood the enclosure is made of, measured in inches.
3/4"
Number of Terminals
The number of terminals the enclosure has. Each terminal represents 1 positive and 1 negative.
1
Terminal Type
Spring clip terminals work best with bare wire connections with small-gauge speaker wire, or pin-type connectors.

Binding post terminals are a sturdier, more versatile type of speaker terminal. Because binding post terminals are are threaded, you can tighten them down against the wire or connector for a tight, clean connection. The most popular style of binding post terminals is known as a "5-way binding post". This type can accept bare wire, or any of the common speaker wire connectors. Binding posts with the option to be used with banana clips are even more versatile

Spring posts are a hybrid of the two. Instead of using a thread and "screwing" them tight, they use a spring to allow the wire to fit and tighten against the terminal.

Binding posts
Box Exterior Color
The color of the enclosure's exterior/outer finish.
Black
Box Finish
The material used on the outside of the box. Most boxes are carpeted to prevent exterior scratches; however vinyl is popular as it can often be color-matched to a near exact look of your leather factory interior.
Carpet
Tuning Frequency
Compatible Vehicle Make and Model
The model of vehicle that this vehicle specific product is designed for. Please keep in mind that engine variations can affect the compatibility of the products.

Port Details

Tuning Frequency

Promotions

Promotions
Promotions we have offer More Ways to Shop for items that are on clearance, last chance, special offer and sales, Made in America, and more!

Warranty and Return Policy

Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Summary of Customer Ratings & Reviews

Rating Distribution

5 Star
71%
4 Star
29%
3 Star
0%
2 Star
0%
1 Star
0%

Average Attribution Rating

Durability
4.9
Value
4.9
Features
4.7
Design
4.9
Usability
4.9
Henrique

West Palm Beach, FL

Overall
Durability
Value
Features
Design
Usability
This box kicks a**!

March 13, 2014

I have a 15" kicker compR, it works great with this box. Very good quality, cheap in price.

16 of 28 found this helpful

Was this review helpful to you?

Michael

Boca Raton, FL

Overall
Durability
Value
Features
Design
Usability
Nice Box

July 21, 2008

Very well designed Box. The carpet on this box is really nice and the box looks perfect. I have a kicker cvr 15 in this box and it absolutely pounds!! Oh yea and if you have a New body Style(04-08) f-150 it will fit in the space between the passenger seat and the rear seat with the smaller rear seat on the passenger side flipped up and the box will face up.

13 of 23 found this helpful

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Duy

Hampton, VA

Overall
Durability
Value
Features
Design
Usability
Couldnt Ask for More!

June 2, 2014

Purchased this box for my JBL W15GTI MKII. For the amount paid and product received, its a great purchase. Couldn't have built this or have it built locally for even close to the price. Is it as good as a custom ported box? Probably not but that would be subjective but I love the SQ coming from it now. Can't comment on the durability because I've only had the box for about a week but I do not hear any leaks or rattles from the box. Connection pieces are solid. But best part of my experience with this purchase was the customer service given by 'Justin'. Gave me a great deal and got it shipped to my door within the week.... Couldn't ask for more. Would definitely recommend it.

11 of 20 found this helpful

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Joe

williams mn

Overall
Durability
Value
Features
Design
Usability
good box

October 23, 2013

i have a 15" kicker comp and it slams. it fits perfectly in my grand am. the carpet is really nice. looks good in the trunk

12 of 22 found this helpful

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Tyler

Fresno, CA

Overall
Durability
Value
Features
Design
Usability
Excellent Box

December 28, 2012

I put a 2000w Quantum Audio subwoofer in this box and it sounds better than ever. My old box was a vented box and can't hold a candle to this one.

The box is of excellent quality. Well built and solid. Very tight and clean carpeting. The pollyfill is well placed as well.

I would definitely recommend this to anyone looknig for a good sealed box for a low price. Can't be beat.

9 of 16 found this helpful

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marlin

mckeesport, PA

Overall
Durability
Value
Features
Design
Usability
great box

August 11, 2010

the box is sturdy and good. the price and shipping were really great.

13 of 24 found this helpful

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SouthLos323

Boise, ID

Overall
Durability
Value
Features
Design
Usability
W/ 15" Kicker

November 12, 2013

This is a great looking box. Well designed and built. The carpeting looks amazing. It's big, but fits perfectly in my '99 Durango. I figured I would have to remove the 3rd seat when I saw it, but there's actually enough space where it isn't even touching the seat or rear door.

10 of 19 found this helpful

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Beth

GoodyearGoodyear, AZ

Overall
Durability
Value
Features
Design
Usability
15n sub box

October 24, 2013

My son loves this box. It is usable in the space he has.

10 of 19 found this helpful

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Al (303)

Denver Co

Overall
Durability
Value
Features
Design
Usability
Belva MDFS15

September 17, 2013

great price. nice looking box works very well. I have it in the trunk of a mazda protege.

9 of 17 found this helpful

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Chet

Oregon

Overall
Durability
Value
Features
Design
Usability
Great box

April 4, 2011

Great box. I bought this box that is great box, for the value. I really am the shipping was fast also.

11 of 21 found this helpful

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PriNT2357

Des Moines, IA

Overall
Durability
Value
Features
Design
Usability
Perfect

September 21, 2010

Fits very nicely into the back of my '90 Jetta. Could even fit two in the trunk if I crammed them together. Carpeting is very nice and so is the construction quality.

10 of 19 found this helpful

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Gregg

Tulsa, OK

Overall
Durability
Value
Features
Design
Usability
Decent Enclosure

October 14, 2013

The box works great for my new Polk MM 15". It's a little bigger than the recommended 1.5 cubic ft. but it seemed like it would suffocate in a box that small. At the 50 dollar price point you can't hardly build yourself one for that and this one has quality connectors and it's built solid. Definitely recommend to someone looking for a 15" sealed box. And Sonic was great with shipping and customer service as always.

9 of 18 found this helpful

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erik

eagan, MN

Overall
Durability
Value
Features
Design
Usability
pound that box

December 1, 2013

you get what you pay for, decent box, no frills, does the job, good construction. should've gotten a ported box though, waaaaayyyyy more sound from a ported box has been my experience, but what do I know, I'm just a consumer :)

9 of 19 found this helpful

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CHECO

BOSSIER ,LA

Overall
Durability
Value
Features
Design
Usability
BELVA 15'' BOX

June 10, 2014

AWESOME BOX VERY SOLID AND FITS NICELY IN ANY TRUNK WITH ROOM TO SPARE

11 of 25 found this helpful

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Accessory Tools and Products

Accessories added

NVX XKIT42 - 4 Gauge Amp Kit

Pure Virgin Copper, 4 Gauge Amplifier Installation Kit

Your Price $89.99

Belva BAK42 - 4 Gauge Amp Kit

CCA 4 Gauge Wiring Kit with RCA & Speaker Wire

Your Price $29.99

8 Gauge - Stinger Amp Kit

Single amplifier 4000 Series complete installation kit.

Your Price $39.99

Belva BAK02 - 1/0 Gauge Amp Kit

CCA Wiring Kit with 2-Channel RCA & Speaker Cable

Your Price $59.99

NVX XKIT02 - True Spec 1/0 Gauge Amp Kit

Pure Virgin Copper, Full 1/0 Gauge Amp Kit with RCA

Your Price $149.99

Scosche WGB15

15" Protective Waffle Style Subwoofer Grille

Your Price $6.99

Power Acoustik WG-15

15" Chrome Subwoofer Grille

Your Price $9.99

High-Performance Streetwires Speaker Wire

25 ft. of 12 Gauge speaker cable with twisted pair construction for improved power flow and fine-stranded copper windings.

Your Price $44.95

20 ft. of Dynamat Xtreme Trunk Kit

Keep your trunk from rattling and improve bass quality by using a sound dampening trunk kit.

Your Price $94.95

NVX SDBP40 - 40 ft. (10% More Than Competition)

40 ft. Bulk Pack of Sound Dampening Material

Your Price $119.99

36 ft. of Dynamat Extreme Bulk Pack

Make your sound system sound perfect by reducing road noise with 9 sheets of sound dampening material.

Your Price $159.99

Banana Clip Terminals

These high grade banana clips allow you to plug into your banana clip ready terminal for a secure connection.

Your Price $1.99

Insulated Female Quick Disconnect Connectors

100 pack of 12-10 Gauge yellow insulated quick disconnects.

Your Price $7.99

12 oz. Can of Adhesive Spray

Spray adhesive used for adhering carpet to subwoofer boxes without bubbles or can be used for your polyfil.

Your Price $6.99

Car Stereo and Speaker / Subwoofer Installation Tool Kit

Includes Test Light, Crimp/Splice Tool, Multi-bit Screwdriver and more.

Your Price $16.99

Browse 2 questions and 7 answers
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Why did you choose this?
Sonic Electronix Store
seems like a good fit for the JBL GTO1514D and 3/4" MDF is a must for this setup. And the price was right.
Chris S on May 26, 2015
needed to add one more to my impala. now i have three
Manuel L on Aug 6, 2014
Was a good price, insulated and just over the recommended sealed box volume which I'm hoping will be acceptable.
Jamison P on Oct 14, 2014
will this fit in a 89 z24 cavalier ?
A shopper on May 20, 2015
Best Answer: I'm not sure bro, I had it in a 2010 Corolla, I got a 2015 mustang and it doesn't fit in my new car.
Reply · Report · Henrique S on May 20, 2015
· Add Answer · I Have This Question Too (2)

Product Summary

Manufacturer

Model Number

MDFS15

UPC

818060011412

Weight

28.00lbs

Internal SKU

mdfs15

Internal Product ID

1906

Sonic Electronix Wiring Guide

Wiring Diagram Legend

Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.

Product Name: Single 15" Sealed MDF Subwoofer Enclosure (Belva MDFS15)