Sundown Audio Zv7 15" D2 Subwoofer

Sundown Audio ZV7 15" Subwoofer D2 POWER RATINGS RMS Watts 3500 Peak Watts 7000 T/S SPECS Re-Ohms 3.84 FS-Hz 30.399 Vas-L 35.564 Qes 0.364 Qms 5.607 Qts 0.342 Le-mH 3.716 BL-NA 34.26 Mms-Grams 582.893 Cms-uM/N 47.022 Sensitivity-dB @ 1w/1m 89.316 Xmax 42mm SUBWOOFER MEASUREMENTS Displacement 0.29 cu ft Depth 13.94" Cutout Diameter 13.93" Motor Diameter 10.8" PORTED ENCLOSURE 4.0 cu ft Recommended Port Area 60 sq in Recommended Port Tuning 32hz 4TH ORDER BANDPASS ENCLOSURE Sealed Side 2.0 cu ft Ported Side 6.0 cu ft Port Area 120 sq in Port Length 8"