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These Models Have Been Discontinued

3500i Series: Power Tuned Subs


Watts RMS

600 - 1200

600 - 1200

600 - 1200

600 - 1200




Voice Coil Impedance

D2 / D4

D2 / D4

D2 / D4

D2 / D4


Piston Diameter (In)

9 1/4


14 1/4

15 1/2






Vas (Ltr)

15.61

22.77

56.86

146.2




Frame OD (In)

11 7/16

13 3/8

16 5/8

18 1/4


Frame OD w/ Gasket (In)

11 9/16

13 1/2

16 3/4

18 1/2


Mounting Diameter (In)

10 3/16

12 3/16

15 3/16

16 3/4


Mounting Depth (In)

7 15/16


9 5/8

10 7/8


Motor Diameter (In)

7 9/16

7 9/16

7 9/16

7 9/16


Motor Depth (In)

3 1/2

3 1/2

3 1/2

3 1/2



Ported Enclosure (CuFt)

1.25 - 1.5

1.75 - 2.75

3.0 - 6.0

5.0 - 6.0


Made in usa icon

This product is Made in the USA. It’s comprised of as many US made parts as could be reasonably sourced in America, including essential components fabricated in-house at the DD headquarters in Oklahoma City, Oklahoma where it was assembled by experienced hands.