DD Audio Redline 608d D4

- 8″ subwoofer - 2.5″ voice coil wound of Made in USA wire - 2x 4 ohms - alucast frame with dd-logos - power handling 600 W RMS, 1800 W Peak - weight: 7,7 kgs - mounting diameter: 185 mm - mounting depth: 147 mm - x-mech: 64 mm - x-max: +- 13 mm - fs: 38,36 Hz - qts: 0,4593 - vas: 7,377 litraa - recommended ported enclosure: 21-35 liter ( NET ) - recommended sealed enclosure: N/A.