Sealed subwoofer enclosure plans

6 build-ready plans, each engineered to a precise sealed alignment with DXF cut files, 1:1 print templates and 3D models.

12" Sealed

Dayton Audio UMII12-22 Ultimax II 12" DVC Subwoofer 2 Ohms Per Coil

91 L net · F3 40 Hz

$19.99 View plan →

15" Sealed

Dayton Audio UMII15-22 Ultimax II 15" DVC Subwoofer 2 Ohms Per Coil

85 L net · F3 33 Hz

$19.99 View plan →

18" Sealed

Dayton Audio UMII18-22 Ultimax II 18" DVC Subwoofer 2 Ohms Per Coil

311 L net · F3 30 Hz

$19.99 View plan →

12" Dual Sealed

Dayton Audio UMII12-22 Ultimax II 12" DVC Subwoofer 2 Ohms Per Coil

181 L net · F3 40 Hz

$19.99 View plan →

15" Dual Sealed

Dayton Audio UMII15-22 Ultimax II 15" DVC Subwoofer 2 Ohms Per Coil

170 L net · F3 33 Hz

$19.99 View plan →

18" Dual Sealed

Dayton Audio UMII18-22 Ultimax II 18" DVC Subwoofer 2 Ohms Per Coil

621 L net · F3 30 Hz

$19.99 View plan →