i got 2 subs both in there own box
12" Punch DVC Woofer.
Large, high temperature 2.5" voice coil.
Black anodized aluminum formers.
SantopreneTM Rubber surrounds.
Spruce Pulp Paper cones.
Large Powerful motors.
Hyper-extended pole piece.
2 x 4 Ohm Nominal Impedence.
Power Handling
400 Watts RMS/800 Watts Peak.
88.7 dB Sensitivity.
2.5 Inch Voice Coil Diameter.
6-7/32 Inch (15.8 cm) Mounting Depth.
i have 2 amps and there daisy chain and there kenwood amps both same 1800 watt but older model and other one is next years but one has output rca witch i pluged the amp into cuz i didnt want to run another cable to the deck any way to run these subs at 1 ohm cuz the amps can run at 1 ohm in there own box
heres video the amp on the right had RCA output witch i ran a RCA cable to other amp