DD Audio 18" Subwoofer Dual-1-Ohm 12800 Watts Peak DD-SB-9918C-D1

• Exceptional Performance: The DD Audio 9918C D1 Subwoofer combines cutting-edge technologies with immense power, boasting a peak power handling of 12,800 watts and a robust 3200 watts RMS, ensuring exceptional bass performance for your audio system.
• Advanced Engineering: Featuring an aluminum Dual Stage rear-mounted Heatsink, USA-made Iron Cloth Spider System, 2nd generation V-ROM surround, and more, this subwoofer is engineered to redefine performance standards, delivering powerful and precise bass reproduction.
• Supercharged Motor Design: The 9900 motor throws nearly 9000 gauss through a 30mm deep gap, driving the 8-layer coil to 40mm of one-way travel with exceptional coil control and excursion, resulting in outstanding bass response and clarity.
• Durable Construction: Built to last, the subwoofer features non-pressed carbon fiber loaded pulp cones, laminated tinsel leads, a hand-laid composite dust cap, and an embossed DDesign magnet boot, ensuring durability and reliability even under extreme conditions.
• Made in the USA: Handmade in the USA with meticulous attention to detail, this subwoofer boasts the audibly distinguishable quality of American craftsmanship, making it a premium choice for audiophiles and car audio enthusiasts.

DD   Audio 18" Subwoofer Dual-1-Ohm 12800 Watts Peak DD-SB-9918C-D1

This Listing Includes:

• (1) DD Audio SB-9918C-D1 Subwoofer.

The 9900C combines the performance redefining technologies such as the aluminum Dual Stage rear mounted Heatsink, USA Made Iron Cloth Spider System, 2nd generation V-ROM surround, and more with the immense power of DD's largest ferrite motor subwoofer series, optimized for a 3200-watt rms and the ability to handle power bursts well over 12,000 watts.

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


• Optional Upgrade: SuperCharge

Technical Specifications:

• Speaker Size (In): 18


• Watts RMS: 3200


• Watts Peak: 12800


• Impedance: D1


• VCD (In): 4


• Piston Diameter (In): 15.5


• Fs (Hz): 26.24


• Qms: 2.265


• Qes: 0.5167


• Qts: 0.4705


• Vas (Liters): 161.9


• Xmech (MM): 60


• Xmax (MM): 22


• Frame OD (In): 18.25


• Frame OD w/Gasket (In): 18.5


• Mounting Diameter (In): 16.75


• Mounting Depth (In): 11.875


• Motor Diameter (In): 10.3125


• Motor Depth (In): 4.5625


• Woofer Displacement (CuFt): 0.46


• Ported Enclosure (CuFt): 5.0 - 6.0


• Shipping Weight (Lbs): 89

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.