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Very High Power NEP SPL Series NEO Subwoofer

Regular price $1,994.99 USD
Regular price $2,849.99 USD Sale price $1,994.99 USD
Sale Sold out
Shipping calculated at checkout.

Quantity can be Updated in the Cart.

Please bear with us as we prepare the final photos and datasheets. We are working hard to build and publish everything ASAP.

12" / D0.5

Enclosure Recommendations

Sealed Box Sealed Box
Ported Box Ported Box:

T/S Parameters

- Qes:
- Qms:
- Qts:
- Fs: Hz
- Vas: Liters
- BL: Tesla-meters
- Mms: grams
- Re: Ω
- Sd: cm²
- SPL: dB (1W/1m)
- Xmax: 30.0 mm
- Power (RMS): 1000000W
- Power (MAX): 10000000W


The NEP SPL Series NEO Subwoofer is fully CNC machined at our facility in Connecticut, and each one can be tailored for your application. Please contact us to discuss custom options. The 15 Inch model is shown here.

You may also buy the motor as a component for your own creations.

Standard Features:

  • The power rating is unlimited for SPL burps, however the soft parts and coil do not carry a warranty on this sub.
  • Our 3 Inch Coil SPL Subwoofer Optimized for SPL Competitions
  • Six 2" x 2" x 1.75" N52 NEO Magnets, each with 425 pounds of surface force
  • Fully CNC Machined by NEP in Connecticut
  • 5000W RMS - 30,000 Watts 5-Second Power Handling
  • 3" 4 Layer Black Flat Wound Aluminum Voice Coil on Titanium Former
  • 28mm Xmax
  • Your Choice between 1" & 2" Thick Top Plate
  • 8 Inch Diameter Custom NEP Triple Layer Spider Pack with Double Woven Leads, Additional Spider Layers Can Be Added
  • Non-Pressed Pulp Cone with Tall Surround and Double Stitching
  • Large Diameter Molded NEP Dust Cap
  • Contact Us to Customize this Subwoofer
  • Recones are Available in our Store 
  • Build time will be 2 to 3 weeks in standard configuration, and our automated email system will keep you updated for shipping. Total transit time will be 2 to 4 weeks.
    NEP Product Guarantee:

    If for any reason you are unhappy with your purchase, we will take it back for up to 13 days after confirmed delivery with no questions asked as long as it is still in new condition and without any kind of damage. Please contact us at to set up an RMA.

    We encourage you to get in touch with us if something does not seem right, or if you are not getting the results that you expected. Many times we may have a solution for you that can be given over the phone.

    These subwoofers are built to order, and we put a lot of care into each one. We guarantee you will be happy with your NEP purchase.
    • Shipping

      We offer discounted shipping rates which can be calculated during checkout

    • Returns

      You may return an item in new condition with no questions asked for 13 days after confirmed delivery.

    • Warranty

      NEP Audio offers a 2-Year limited warranty on subwoofers. This covers the workmanship of the product. Accidental damage to any part of the speaker, burned out coils, and suspension damage are not covered under this warranty, but these things can be repaired at the customer's discretion. Please contact us at if you have an issue.