i would wnt some cash on your end but im sure we can work somthing out

pics here
http://www.caraudio.com/forum/car-audio-classifieds/464105-sale-soundigital-5004ab.html
specs
500wrms @ 12.6 v
- 400wrms twice the nominal impedance
- 4 channel 125w @ 2 ohms
- 4 channels, 100w into 4 ohms
- 2 channels of 250w into 4 ohms bridge
- 2 channels of 200w into 8 ohms bridge
- consumption = 80a
- fa (damping factor) = 200 @ 2 ohms and 400 @ 4 ohms
- operating frequency = 10 hz to 30 khz
- input sensitivity = 0.5 v - 4v
- thd
- protection for output short
- protection by temperature
- protection for reverse polarity at the power terminals
- input and output silver.
- soft-start
- dimensions: 290mm long x 277mm wide x 73mm height