i don't know if you have any specs on that, if you don't, these will certainly help.

http://www.fullcompass.com/product/304723.html
http://www.toaelectronics.com/amp0001.asp

oh yeah, do you have the modules with that?? otherwise, you'll need to buy them seperatly

(link to what the modules are)
http://www.toaelectronics.com/mod0004.asp