Nice...have you listened to it yet? I thought they only recommend 1.0 per sub?Sorry, here's the specs for the box:
Net Volume: 3.2 cubic feet
Tuning Frequency: 32 Hz
Port Width: 3.75 inches
Port Area: 45 Square Inches
Port Length: 31.5 inches
32.5 wide x 13.5 tall x 21.75 deep