SLAPZ Car Audio Smackdown VERSION 2 DVC 2 ohm 18” competition Subwoofer.  With a 4” black coated voice coil, weighing in at 69 LBS and a 3500 watt RMS rating, you will hit them low lows all day long and all on a budget. After a ton of testing and R&D we know these monster subwoofers are gonna not only create a windstorm in your vehicle, but shake the concrete wherever you go. 
 
RMS ……….................…3500 Watts
Peak …………..........…….7000 Watts
Impedance...................DVC 2 ohm (1 ohm parallel, 4 ohm series)
Voice Coil diameter …..4” 4 layer black coated 
Pressed paper cone 
Smooth Carbon fiber dust cap
High roll foam surround
400oz Y35 Quad stack magnet
Double layer Nomex spider pack 
Dual Tinsel leads 
10ga OFC direct leads
Weight……………………….69LBS
Overall Diameter...........18.3
Baffle cutout diameter..16.8
Mounting depth………….12.4”
SPL 1w/1m………………….88.5DB 1W/1M
FS …………..…..........…….27Hz
QTS............................. .64
QES............................. .72
QMS............................  6.73
MMS…………………………  561 Gr
VAS.............................. 143L
BL………………………………24.89
RE………………………………4.13
Xmax...........................  32mm
Suggested ported box with 5.4-5.9cu/ft
Suggested port tuning 27-32Hz
To power these subwoofers properly, a 5000 watt 1 ohm monoblock amplifier per subwoofer is at the mechanical limit of the sub, and would be at the RMS power handling with rise. We do not suggest a larger amplifier or failure can occur. 
 
*****Do not mix this version 2 Smackdown with a version 1 Smackdown in the same enclosure*****