BOA121 - 12" 6,000 WATTS RMS DUAL 1 OHM MEGA SUBWOOFER

Massive Car Audio 12 Mega Subwoofer 12000 Watt Dual 1 Ohm Voice Coil BOA121

Built for High Performance SPL the BOA Series subwoofers are Dual 1 Ohm at 6,000 Watts RMS & 12,000 Watts MAX. The BOA 121 uses 4 Dual Impedance Black Anodized Voice Coil Formers with Kevlar Spunlace. Supports a custom tooled rubber gasket and magnet boot with Massive high energy triple stacked 470oz Strontium magnets. They are bolted into heavy duty rugged industrial textured cast aluminum baskets that help achieve 88.9 dB efficiency SPL@2.83v/m.

Highlights:
- Heavy Duty Rugged Industrial Textured Cast Aluminum Basket.
- Kevlar Fiber Reinforced Non-Pressed Paper Cone with Industrial Textured Finish.
- EROM Foam Surround with Red Stitching.
- 4 Dual Impedance Black Anodized Voice Coil Former With Kevlar Spunlace.
- Reinforced Fiberglass Woven Dust Cap.
- High Energy Triple Stacked 470oz Strontium Magnets.
- Over Sized Mirror Image 6 Layers Poly/Nomex Spiders.
- Black Anodized One Piece Pole-Plate for added Motor Force.
- Triple Black Poly Cotton Spiders with Mirror Image Layout.
- Heavy Duty Pure Copper Direct Input Wires Connected to each Voice Coil.
- Custom Tooled Rubber Gasket & Magnet Boot.
- Dual 1 Ohm Impedance.

This listing includes:
(1) Massive Audio 12 Mega Subwoofer BOA121

SPECIFICATIONS PER SUBWOOFER:
Nominal Diameter: 12
Nominal Impedance: Dual 1 Ohm
MAX Power Handling: 12000 Watts
RMS Power Handling: 6000 Watts
SPL (2.83V/1m): 88 dB

MOTOR:
Voice Coil Diameter: 4
Voice Coil Former Material: Black Anodized Former With Kevlar Spunlace
Cone Material: Non-Pressed Paper
Surround Material: EROM Foam with Red Stitching
Basket Material: Die Cast Aluminum
Basket Color: Black
Magnet Material: Strontium
Magnet Weight: 470 Oz

THIELE & SMALL PARAMETERS:
Equivalent Volume: Vas - 11.8L
Excursion: X-max - 25mm
Free Air Resonance: Fs - 39Hz
Mechanical Factor: Qms - 7.08
Electrical Factor: Qes - 1.06
Total Factor: Qts - 0.92
DC Resistance: Re - 0.9 Ohms
Moving Mass: Mms - 401.2g
Compliance: Cms - 40.7m/N
Force Factor: BL - 9.2Tm
Voice Coil Inductance: Le - 0.57mH
Diaphragm Area: Sd - 0.045m

RECOMMENDED ENCLOSURES:
Sealing Internal Volume: 2.77FT Small / 3.48FT Large
Sealed Internal Dimensions (Width x Height x Depth): 17x16.6x17
Ported Internal Volume (Width x Height x Depth): 18.1x16.6x17
Port Tunning Frequency: Fb - 35Hz
Port round (DxL): 4.72x9.98
Port Area: 17.52
Dual Sub Ported Box Volume: 5.41FT
Dual Sub Ported Box Internal Volume (Width x Height x Depth): 33.1x16.6x17
Dual Sub Port Sq Area: 17.52
Dual Sub Ported Fb: 35Hz

DIMENSIONS PER SUBWOOFER:
Overall Diameter: 12.48
Front Mount Baffle Cutout: 11.02
Mounting Depth: 10
Displacement: 0.232FT
Unit Weight: 77.2 lbs.

Accepted Payment Methods at Big Jeff Audio

At Big Jeff Audio, we strive to make your shopping experience as smooth as possible by offering a wide variety of payment options. Below is a complete list of the payment methods we accept:

Credit and Debit Cards

• Visa
• Mastercard
• American Express
• Discover
• Diners Club

Digital Wallets

• Amazon Pay
• Apple Pay
• Meta Pay (formerly Facebook Pay)
• Google Pay
• Shop Pay
• PayPal

International Payment Methods

• Bancontact
• iDEAL

Bank Transfers

• Zelle

Financing Options

We also offer financing options to make purchasing easier. Learn more about our financing options here.

• Klarna
• Affirm
• Sezzle
• Snap
• Acima
• Tiptop

If you have any questions or need assistance with payments, feel free to reach out to us at info@bigjeffaudio.com or call us at 737-BIG-JEFF.

Shipping Options and Delivery Time

Do You Offer Expedited Shipping?

Yes! At checkout, you can select from different shipping options:

• Standard Shipping: Free for orders over $100.
• Expedited Shipping: Available at an additional cost, calculated based on the weight and destination of your order.

How Long Does Delivery Take?

• Handling Time: Most orders are processed and shipped within 1 business day after receiving cleared payment. Occasionally, additional handling time may be required, but we’ll notify you if that’s the case.
• Standard Shipping: Typically takes 3-5 business days, though delivery may be affected by extreme weather or holidays.

What Happens If My Package Is Undeliverable?

If your package is refused or marked undeliverable and returned to us by the carrier, you’ll need to pay the full shipping cost to have the package resent. Alternatively, we can refund your order, minus the cost of shipping.

Why Can’t I Track My Order?

If you're having trouble tracking your order:

• Make sure you’ve received the shipping confirmation email with the tracking number.
• Log into your account on our website and use the “Check Your Order Status” button.
• If the issue persists, please refer to our detailed guide on tracking your order or contact our customer service team for further assistance.