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DD Audio 6.5" Dual 4 Ohm 2400W Peak/600W RMS Hi-Def Tuned Subwoofer 1506-D4

SKU DD-1506-D4
Save 20% Save 20%
Original price $548.99
Original price $548.99 - Original price $548.99
Original price $548.99
Current price $439.00
$439.00 - $439.00
Current price $439.00

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  • Space-Efficient Design: Delivers powerful performance in a compact size.
  • USA-Made Quality: Ensures reliability and superior sound.
  • Long Gap/Long Coil Topology: Offers extended performance range.
  • VROM Surrounds: Enhances sound quality and durability.
  • Versatile Enclosure Compatibility: Performs well in both sealed and ported enclosures.

DD Audio 6.5" Dual 4 Ohm 2400W Peak/600W RMS Hi-Def Tuned Subwoofer 1506-D4

This Listing Includes:

  • (1) DD Audio 1506 Series 6.5" ESP Subwoofer

The DD Audio 1506 USA-made subwoofer is a powerhouse packed in a compact size, outperforming larger diameter drivers from other brands. It incorporates design elements from DD's legendary 9500 and 9900 series, ensuring top-notch performance even in limited space. Equipped with VROM surrounds, multi-layer suspensions, lightweight cones, and high-temperature voice coils, this subwoofer is built for medium power applications where quality cannot be compromised.


  • Speaker Size: 6.5 Inches

  • RMS Power: 300 - 600 Watts

  • Peak Power: 2400 Watts

  • Impedance: D4

  • Voice Coil Diameter: 2 Inches

  • Piston Diameter: 5.5 Inches

  • Fs: 47.78 Hz

  • Qms: 5.152

  • Qes: 0.864

  • Qts: 0.740

  • Vas: 2.398 Liters

  • Xmech: 48 MM

  • Xmax: 10 MM

  • Frame Outer Diameter: 7 7/16 Inches

  • Frame OD with Gasket: 7 9/16 Inches

  • Mounting Diameter: 6 5/16 Inches

  • Mounting Depth: 6 Inches

  • Motor Diameter: 6 Inches

  • Motor Depth: 2 13/16 Inches

  • Woofer Displacement: 0.05 CuFt

  • Ported Enclosure Range: 0.25 - 0.75 CuFt

  • Shipping Weight: 17.6 Lbs


  • Advanced Design Elements: Inspired by the legendary 9500 and 9900 series for superior performance.

  • High-Temperature Voice Coils: Ensures durability under intense conditions.

  • Efficient Cooling System: Features Free Flow cooling and Faraday shorting ring.

  • High-Energy Motors: Delivers powerful drive to the soft parts.

  • Compact and Powerful: Ideal for medium power applications with space constraints.

Payment Information


We accept PayPal for all ebay orders. You can use your credit through PayPal as all major credit card are accepted by PayPal.

We accept PayPal for all international orders, your address must be verified with PayPal.

We are not responsible for any custom duties or brokerage fees that may apply for all international orders.

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With Free Same Business Day Shipping we work to get you your order Fast. 


All orders over $500 will require a signature for delivery.

All pre-selected shipping rates and methods are for customers with a
valid residential or commercial address within the Contiguous 48 United
States (PO Boxes address may require additional charges).

P.O. Boxes, APO/FPO addresses, Alaska, Hawaii, Puerto Rico, Guam,
U.S. Virgin Islands, Northern Mariana Islands, American Samoa, Canada,
and other countries may require additional shipping fees. Please contact
a member of our team for detailed shipping charges.

Shipping is available only to PayPal verified addresses. When making
payment please confirm your address has been verified with PayPal. Once
payment is made shipping address can not be changed/altered. Payments
made using an unverified PayPal address will be refunded and order will
be canceled.

We will not accept request to change shipping address once payment
has been made. Please confirm your shipping address is up-to-date and

Typical handling time for orders is 1-business day. We do our best
to ship every package with-in 1 business day of receiving a cleared
payment. In some circumstances additional time may be need, in which
case we will contact buyer.

Shipped orders that are returned by the shipping company due to an
insufficient address or an undeliverable address will be refunded less a
20% restocking fee.

If package is refused or marked undeliverable and returned
back to us by the carrier, you will need to pay the shipping cost in
full to have the package sent back to you or we can refund the money
minus the cost of shipping


If you have not received your package, but the tracking information shows that it was delivered,
please do the following within 36 hours of expected, stated delivery:


Verify the shipping address on the order is the address where you are looking for the package

Look for a notice of attempted delivery

Look around the delivery location for the package, or see if a neighbor has accepted the delivery

Be sure to double check your mailbox and other usual spots for package delivery


If you think that your package has been stolen, we will require a police report since this is now theft.
Once we have a police report on file for the stolen package, we will reship your order.

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