Soundstorm 8" Woofer 400W Max

Subwoofer Size: 8";
Total Power Output: 400 Watts Max
Voice Coil Size: 1.2";
Voice Coil Structure: SINGLE
Voice Coil Material: Aluminum
Cone Material: Black Poly Injenction Cone
Free Air Resonance (FS): 46 Hz
Total Q (QTS): 0.57
Electrical Q: 0.61
Mechanical Q: 7.77
Surround Material: Foam
Basket Structure: Stamped
Box Type: Both Sealed or Ported

Enclosure specs:
Mounting Depth: 3 3/8";
Port FrequencySmall = 38 Hz; Large = Hz
Ported EnclosureSmall = 0.805 CuFt; Large = CuFt
Sealed EnclosureSmall = 0.805 CuFt; Large = CuFt
Port DiameterSmall = 3.15 ";
Mounting Hole Diameter: 7.25";
Port LengthSmall = 11.8 ";
Dimensions (H x L x W): 3.5"; x 8.25"; x 8.25";