Memphis Audio Subwoofer MB824

FLEX Selectable Impedance technology 2Ω or 4Ω
Ultra-light aluminum VC for increased sensitivity and output
Double stitched V-Groove folded surround for increased excursion without sacrificing effective surface area
Polypropylene dust cap
Woven tinsel leads
2” 4 layer triple voice coil 10”/12”/15”, 1.5” on 8”
DVVC Direct Vented Voice Coil Cooling