DD Audio 21" Dual 1 Ohm 10000W Peak/2500W RMS Power Tuned Subwoofer 9921b

• Unparalleled Power and Performance: Engineered for 1500 - 2500 Watts RMS with peak capabilities of 10000 Watts
• Massive Bass Output: Delivers profound and precise bass with a 21-inch size and 22 MM Xmax
• Robust and Durable Design: Built with high-quality components for sustained high-performance
• Optimized for Large Enclosures: Perfectly suited for 6.0 - 8.0 CuFt ported enclosures, offering expansive sound dispersion
• Ideal for Advanced Setups: Allows for creative and complex system designs for the ultimate audio experience

DD Audio 21" Dual 1 Ohm 10000W Peak/2500W RMS Power Tuned Subwoofer 9921b

This Listing Includes:

• (1) DD Audio 9921b 21 Inch Power Tuned Subwoofer

The 9921b, known as "The Beast" in the DD Audio 9900 series, is a subwoofer designed for the most demanding bass enthusiasts. It's a dream for those fascinated by the physics of sound, offering endless possibilities in system design with its precision in low-frequency delivery. The 9921b is a 21-inch subwoofer that combines massive power handling capability with precise audio engineering. It's optimized for 1500-2500 watts of RMS power and can handle peak bursts up to 10,000 watts, making it an ideal choice for audiophiles looking for deep, impactful bass and high-quality sound.

Specifications:

• Speaker Size: 21 Inches


• RMS Power: 1500 - 2500 Watts


• Peak Power: 10000 Watts


• Impedance: Dual 1 Ohm


• Voice Coil Diameter: 4 Inches


• Piston Diameter: 18.25 Inches


• Fs: 26.24 Hz


• Qms: 5.265


• Qes: 0.517


• Qts: 0.471


• Vas: 161.9 Liters


• Xmech: 92 MM


• Xmax: 22 MM


• Frame Outer Diameter: 21 5/16 Inches


• Frame OD w/Gasket: 21.31 Inches


• Mounting Diameter: 19.25 Inches


• Mounting Depth: 11.31 Inches


• Motor Diameter: 10.31 Inches


• Motor Depth: 4.56 Inches


• Woofer Displacement: 0.55 CuFt


• Recommended Ported Enclosure: 6.0 - 8.0 CuFt


• Shipping Weight: 92 Lbs

Features:

• Designed for audiophiles with an interest in low-frequency physics.


• Capable of handling extreme power for intense bass experiences.


• Precision engineering for accurate sound reproduction.


• Ideal for creating custom audio systems with endless design possibilities.

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.