– 15″ subwoofer – 3″ voice coil wound of Made in USA wire – 2x 4 ohms – alucast frame with dd-logos – power handling 1500 W RMS, 4500 W Peak – weight: N/A – mounting diameter: 352.4 mm – mounting depth: 238.1 mm – x-mech: 100 mm – x-max: +- 22 mm – fs: 30.25 Hz – qts: 0,6269 – vas: 62.47 Liter – recommended ported enclosure: 85-170 liter ( NET ) – recommended sealed enclosure: N/A