[. . . ] 1 2 S420. 2 A M P 2 Sedona Woofers Wired to 1 A M P 3 Sedona Woofers Wired to 2. 66 WWW. PRECISIONPOWER. COM WWW. PRECISIONPOWER. COM Enclosure Dimensions Thank you for choosing PrecisionPower woofers. [. . . ] This PrecisionPower product reflects our commitment to offer you unparalleled performance and quality for years of dependable service and listening enjoyment. Included in this manual are a number of different enclosure suggestions. These are by no means the only enclosures to use, but they provide a starting point to determine the correct enclosure for your needs many factors must be addressed (amount of power, vehicle, placement, crossovers, etc) Therefore, as always PrecisionPower recommends that your subwoofer be installed by an authorized PrecisionPower dealer. Features, Parameters, & Dimensions Injection Molded Polypropylene/Mica Cone & Dust Cap ABS Gasket 2" 4-layer VC on Kapton Former Quick Disconnect Terminals CONEX Composite Spiders Stamped Steel Frame Vented T-Yoke Back-plate Enclosure Construction All enclosures should be made of . 75" (3/4") material only. (ft. 3) 1. 00 1. 50 2. 00 Dimensions (H x L x D) 13x14. 75x13 13x21. 25x13 13x27. 75x13 QTC 1. 221 1. 056 0. 962 -3dB (Hz) 35. 5 31. 2 30. 2 Vol. (ft. 3) 2. 00 2. 50 3. 00 S. 12 Ported Dimensions (H x L x D) 14x23. 75x14 14x29. 25x14 14x34. 75x14 Port (dia. (ft. 3) 2. 00 3. 00 4. 00 Dimensions (H x L x D) 18x17. 5x15 18x25x15 18x33x15 QTC 1. 361 1. 178 1. 076 -3dB (Hz) 27. 1 24. 2 22. 7 Vol. [. . . ] (ft. 3) 3. 00 4. 00 5. 00 S420. 2 Ported Dimensions (H x L x D) 17x23. 25x17 17x30. 5x17 17x37. 5x17 Port (dia. [. . . ]