3" Dual 2ohm ?? 4-layer voice-coil configuration with direct-connect wire</br>Overcompensating motor structure for increased magnetic strength</br>12mm t-yoke & top plate improve low-frequency dynamics</br></br>Product Description</br></br>Bam Series subwoofers deliver! this 3??500-Watt bamf Series 12"ual 2Ohm subwoofer from Power Acoustik is built to survive. It has an overcompensating motor structure for increased Magnetic strength?? 12mm t-yoke & top plate improve low-frequency dynamics?? Vented t-yoke & frame reduce voice-coil heat buildup and a nonmagnetic No Resonant die-cast aluminum frame. It also has a 3"our-layer voice coil with direct-connect wire and high-temperature-tolerant adhesives. No transfer spruce pulp cone with UV & chemical protection?? stitched & glued surround/cone joints and extended-excursion polyether foam surround with UV protection and Dual poly-cotton Suspension dampen Violent accelerations. The stitched voice-coil leads prevent potential damage as well. This subwoofer has an RMS of 1??750 Watts?? a 3"al 2Ohm voice-coil configuration and a 6" mounting depth. It includes 1 gasket/trim ring with concealed mounting holes.</br><br/>http://www.amazon.com/gp/product/B00T3QC0QO>> <li>