DD Audio 800 Series 18" 2500W RMS 2-Ohm DVC Power Tuned Subwoofer / 818f-D2

• Exceptional Power Handling: Boasts a commanding 2500 Watts RMS and a staggering 7500 Watts peak power, ready to handle the most demanding audio sessions
• Advanced Thermal Management: Features innovative cooling systems with a vented aluminum voice coil and heatsink for consistent high-level performance
• Deep and Dynamic Bass: Delivers profoundly deep and rich bass tones with an 18-inch size and an impressive 31 MM Xmax, perfect for bass enthusiasts
• Sturdy and Reliable Build: Constructed with premium, durable components to withstand intense use, ensuring a long-lasting audio experience
• Optimized for Spacious Enclosures: Ideally suited for 5.0 - 7.0 CuFt ported enclosures, allowing for expansive sound dispersion and resonance

DD Audio 800 Series 18" 2500W RMS 2-Ohm DVC Power Tuned Subwoofer / 818f-D2

This Listing Includes:

• (1) DD-818F-D2 Subwoofer

Description:

The 818f is a standout in DD Audio's 800 Series, known as a true bass monster. It's the latest "f" revision, featuring substantial thermal cooling enhancements and advanced design. Targeted at competitive bassheads, the 818f is engineered for extraordinary power handling and extended periods of loud, continuous play. The subwoofer incorporates a vented aluminum voice coil insert and a finned aluminum heatsink for effective heat dissipation. It also features a taller surround, double-stitched to a fiberglass-loaded, non-pressed cone, and a voice coil with increased winding length, ensuring impressive excursion and sophisticated styling.

What's new in the "f" Revision

• Includes All Standard Series Features Listed


• 4 Inch Thick Quad Stack Magnet Assembly


• Taller Surrounds Double Stitched to Fiberglass Loaded Non-Pressed Cones


• Longer Voice Coil Winding Lengths and Top Plate Thickness Increased to 25mm Resulting in an Xmax of 31mm


• Cast Aluminum Dual Stage Heat Sink with Polished Aluminum DD Logos


• Premium Rubber Boot with New Embossed Design

Features

• Free Flow Cooling System


• High-temp Voice Coil


• Triple Layer Spider System


• Unique glass fiber and natural pulp cone


• Extended Pole Piece


• Cast Aluminum Basket

Specifications:

• Speaker Size: 18 Inches


• RMS Power: 2500 Watts


• Peak Power: 7500 Watts


• Impedance: Dual 2 Ohm


• Voice Coil Diameter: 4 Inches


• Piston Diameter: 15.75 Inches

Thiele & Small Parameters:

• Fs: 27 Hz


• Qms: 7.049


• Qes: 0.8896


• Qts: 0.7899


• Vas: 155.3 Liters


• Xmech: 100 MM


• Xmax: 31 MM

DImensions:

• Frame Outer Diameter: 18.25 Inches


• Frame OD w/Gasket: 18.5 Inches


• Mounting Diameter: 16.415 Inches


• Mounting Depth: 12.5 Inches


• Motor Diameter: 9.45 Inches


• Motor Depth: 5.8 Inches


• Recommended Ported Enclosure: 5.0 - 7.0 CuFt

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.