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Pyramid BNPS122

Dual 12" Bandpass Ported Loaded Subwoofer Enclosure

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List price $329.99

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35% Off a Sound Dampening Kit with Your Subwoofer Purchase!

Add an NVX SDTK20 Sound Dampening Trunk Kit to your Subwoofer purchase and save $21. Simply click the "Add Both to Cart" button. This offer cannot be combined with any other coupons or offers.




Pyramid BNPS122



35% OFF



Special Price $38.99 ($59.99 if purchased separately)


• Eliminates Road Noise
• Quiets Vibrations
• Stops Rattles • Increases SPL
• Reduces Heat
• Simple To Install
• Easy To Form Aluminum
• Four Step Peel and Stick Installation
• Five 18" x 32" Pieces

(Offer 1 of 1)

Combined Total Price


You Save $21.00

Subwoofer Features:
  • Dual 12" High Power 4 ohm Subwoofers
  • Power Handling:
    • Peak: 1200 watts
  • Final Impedance Options:
    • 2 Ohms (Mono)
    • 8 Ohms (Mono)
    • 4 Ohms x 2 (Stereo)
  • Silver Polypropylene woofer cone material
  • Black Edge specially treated rubber suspension
  • Aluminum high temperature 2" voice coil
  • Authorized Internet Dealer
  • 2-year Manufacturer's warranty
General Enclosure Features:
  • Dual 12" Bandpass Loaded Ported Enclosure
  • 1200 watts of Peak Power
  • Bandpass enclosure design for enhanced deeper bass
  • Built-in Neon Accent Lighting
  • Plexi-glass front window able to withstand deep heavy bass
  • 4 Tuned ports for elongated lower frequency response
  • Grey carpeted exterior for professional finish
  • Frequency Response: 35-1,000 Hz
  • Dimensions: 16"D x 31-1/2"W x 15-1/2"H

Subwoofer Specifications

Subwoofer Size
Refers to the diameter of the subwoofer, measured in inches.
Voice Coil(s)
Dual voice coil subs have more wiring flexibility than single voice coils subs; however, single voice coil subwoofers provide easier hookup options for wiring multiple subwoofers in parallel or series. You may also run a dual voice coil (DVC) sub in parallel, series, or combination. A quad voice coil has four voice coils and is equal to two dual voice coil subwoofers as far as wiring goes.
Impedance (Per Voice Coil)
The load value (in ohms) that the speakers present to the amplifier per voice coil - the amount of resistance to the current flow. This is a key specification as subs wired in parallel or low impedances can create problems with your amplifier and potentially void all warranties. We encourage you to ask our support department prior to purchase if you do not understand which impedance level will suit your application best.
4 ohms
Peak Power Handling
Peak power handling refers to the amount of power a speaker can handle during a brief musical burst. The RMS power range figure is a much more reliable rating for determining the speaker's power requirements. The Peak power handling specification is typically rated per speaker unless otherwise noted.
600 watts
Total Peak Power Handling
This is the Total Peak Power handling of all the subwoofers included in the package or enclosure.

If the loaded enclosure or amplifier and subwoofer package includes more than a single subwoofer, then this is the total peak power handling for all of the subs combined.

Peak power handling refers to the amount of power a speaker can handle during a brief musical burst. The RMS power range figure is a much more reliable rating for determining the speaker's power requirements.
1200 watts
Woofer Composition
Lightweight woofer cone materials are essential for efficient operation. Poly cones produce exceptional sound and are sturdy against various changes in temperature. Paper cones are very efficient, and when treated for moisture resistance, will perform at a high level. Poly refers to polypropylene, which is thermoplastic or fibers that are polymers of propylene. IMPP refers to injection molded polypropylene, a commonly used process and material in speakers.
Woofer Surround
A speakers surround is part of the suspension system. The surround protects the cone and prevents it from being displaced as it flexes out from the basket. It is usually made of a durable material like treated foam or rubber in order to withstand the strenuous job of producing bass frequencies.
Frequency Response
The range of frequencies the speaker will reproduce (lowest frequency to the highest). Bigger is better, meaning the wider the range, the better. The optimal range is 20 - 20,000 Hz (which is the range of human hearing).
35 - 1000 Hz
Subwoofer Design
This is the design of the subwoofer or the opening of the subwoofer enclosure. Each design has it's own benefits, whether it is a square, circle, or oval.

Round/Circle: This is the typical and common subwoofer design. They have a round cone and are a circle in design.

Square: These woofers are able to achieve a greater cone area in a smaller space. Because of the greater surface area, some square subwoofers will be louder than a round subwoofer of the same size.

Enclosure Specifications

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.
Number of Subs/Speakers
This value represents the number of speakers or subwoofers that the enclosure accommodates.
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.
Hatchback Style, Angled Back
The height of the item, measured from top to bottom, in inches.
The width of the item from left to right (side-to-side) measured in inches.
The front-to-rear depth of the item, in inches. If the item is angled or slanted, this value is the bottom measurement.
Wood Thickness
The thickness of the wood the enclosure is made of, measured in inches.
Number of Terminals
The number of terminals the enclosure has. Each terminal represents 1 positive and 1 negative.
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.

Spring posts
Box Exterior Color
The color of the enclosure's exterior/outer finish.
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.

Specials with this Item

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
2 years
Labor Warranty Duration
2 years
Warranty Provider

Summary of Customer Ratings & Reviews

Rating Distribution

5 Star
4 Star
3 Star
2 Star
1 Star

Average Attribution Rating



great price

October 19, 2012

I just bought and had put it in my trunk of car sounds GREAT. Shakes the crap out of it.

22 of 37 found this helpful

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Fernley, NV

Big Bang for your buck

August 10, 2012

Extremely easy install, straight out of the box and put in my truck no problem, I also love the Bright blue LEDS rings look awesome. Great deal.

19 of 34 found this helpful

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Great for the price

September 28, 2014

This is the first time I have ever bought a pyramid product before, but after I put it in my car with a Boss Audio PH2.1000 the 4 ohm match works great. I would recommend these speakers for the price. The box almost did not fit in my 06 G6. I'm very happy with the speakers so far.

14 of 26 found this helpful

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Engadine, MI

Pyramid BNPS122

August 21, 2013

this a very good set of speakers for its price i highly recommend them. I have never been more satisifed

18 of 36 found this helpful

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Sloatsburg, NY

Great Sub for Price

March 11, 2013

This was my first subwoofer and I must say it delivered. It gives great bass, while not being overwhelming to the point where all you hear is bass, this entire package is such a great deal!

14 of 28 found this helpful

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Chicago, IL


June 19, 2012

Sloppy bass and they blow out real easily. They look cool but they dont sound as good as they claim.

20 of 40 found this helpful

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United States


April 14, 2013

Works perfect hits hard shakes windows mirrors other people look over every time it hits... would buy more if I had other cars..

13 of 30 found this helpful

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Brownwood, Texas

Good not Great

February 29, 2012

For some cheap speakers, they are pretty good.

16 of 39 found this helpful

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Accessory Tools and Products

Accessories added

NVX Speaker Wire (XWS1225)

25 ft. of True 12 Gauge EnvyFlex Speaker Cable/Wire (100% Oxygen-Free Copper)

Your Price $39.99

NVX Sound Dampening Trunk Kit (SDTK20)

20 Square Feet of Sound Dampening Material (Five 18" x 32" Pieces)

Your Price $59.99

NVX Sound Dampening Rubber Roller (SDRLR1)

Universal, Professional Heavy Duty Roller for Sound Damping/Dampening

Your Price $7.99

Car Stereo and Speaker Installation Tool Kit

Complete Car Stereo Tool Kit, Includes Voltage Test Light, Wire Stripper and More

Your Price $16.99

Browse 2 questions and 2 answers
Hide answersShow all answers | Sort by
Why did you choose this?
Sonic Electronix Store
Like the design
Dwaine C on Dec 4, 2014
What is the best amp for this speaker?
A shopper on Aug 18, 2014
Best Answer: Hello,

The manufacture provides fairly vague ratings for these SUBS. However, after you break down the numbers, its fairly safe to assume each Subwoofer is asking for ~300w RMS @ 4Ohms. Which means you seek ~600w RMS @ 2ohms from an amp; here are a few examples:


Rockford Fosgate R500X1D

Kicker DXA500.1
Reply · Report · Customer SStaff on Aug 19, 2014
· Add Answer · I Have This Question Too (0)

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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: Pyramid BNPS122