Wavtech 10 Inch Professional Series Shallow Subwoofer ThinPro10 Sub 4 OhmThinPRO10 4 Ohm 10 Professional Series Shallow Subwoofer The ThinPRO10 redefines whats possible in a shallow mount subwoofer. With an ultra slim 2. 9 mounting depth, it fits where other subs cant without sacrificing performance. Its dual mirrored NBR spiders and axial force transfer assembly achieve an impressive 20mm of linear xmax, rivaling even deep mount subs. The FEA optimized dual gap motor structure, powered by double stacked strontium magnets,