DD Audio 12" USA Built Dual 1-Ohm 4” Voice Coil 3200-Watt RMS Subwoofer 9912C 

• Exceptional Power: 3200W RMS and 9600W peak for powerful bass performance.
• 1-Ohm Configuration: Optimized for high-performance amplifier systems.
• Advanced Cooling Technology: Free Flow Cooling and Dual Stage Heat Sink for superior heat management.
• USA-Made Components: Handcrafted carbon fiber-loaded pulp cone for lightweight durability.
• Enhanced Design: 2nd Gen V-ROM surround maximizes cone movement and bass response.

DD Audio 12" USA Built Dual 1-Ohm 4†Voice Coil 3200-Watt RMS Subwoofer 9912C

This Listing Includes:

• (1) DD Audio 12" 1-Ohm, 3200 RMS/9600 Peak USA Built Subwoofer

The DD Audio 9900C Series 12-inch subwoofer sets a new benchmark for high-performance car audio. Built with DD Audio's largest ferrite motor and featuring cutting-edge technologies, this subwoofer is crafted for audiophiles and competitors demanding unparalleled bass quality. With 3200W RMS and bursts up to 9600W peak, the 9900C offers immense power, precision, and durability. The subwoofer includes the innovative Dual Stage Heat Sink, USA-made Iron Cloth Spider System, and 2nd Gen V-ROM surround to maximize performance and longevity. Its handcrafted, carbon fiber-loaded pulp cone ensures lightweight strength, while the Free Flow Cooling System delivers unmatched heat dissipation. The 9900C Series is perfect for high-power, competition-grade setups.

Features

• NEW Aluminum 2 Stage Motor Heatsink


• 260mm Magnet Diameter


• Multi-Vent Free Flow Cooling Motor


• Shorting Ring Motor


• 4.3†High-Temp Voice Coil


• Excursion Optimized ESP Frame


• V-ROM Vario-Density Surround


• Non-Pressed Composite Reinforced Pulp Cone


• 11†Dual/Triple Layer Iron Cloth Spider


• Laminated Tinsel Leads


• Hand Laid Composite Dust Cap


• Embossed DDesign Magnet Boot


• Made In USA

Specifications

• Speaker Size: 12 inches


• Watts RMS: 3200


• Watts Peak: 9600


• Impedance: Dual 1-ohm


• Voice Coil Diameter (VCD): 4 inches


• Piston Diameter: 11 inches


• Resonant Frequency (Fs): 31.63 Hz


• Qms: 5.398


• Qes: 0.377


• Qts: 0.352


• Vas: 23.63 liters


• Xmech (Max Excursion): 62 mm


• Xmax (Linear Excursion): 22 mm


• Frame Outer Diameter (OD): 13.38 inches


• Frame OD with Gasket: 13.5 inches


• Mounting Diameter: 12.19 inches


• Mounting Depth: 9.69 inches


• Motor Diameter: 10.31 inches


• Motor Depth: 4.56 inches


• Woofer Displacement: 0.33 cu. ft.


• Recommended Ported Enclosure: 1.75–2.75 cu. ft.


• Shipping Weight: 81 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.