I have 2 JBL amps for sale. One is a class D mono amp and the other is a 4 channel amp. 500 for both plus shipping. PM me is you just want one of them. Here are the stats.
JBL GTO1200.1
http://www.jbl.com/car/products/product_detail.aspx?prod=GTO1201.1%20II&Language=ENG&Country=US&Region=USA&cat=AMP&ser=GTS
600/4
http://www.jbl.com/car/products/product_detail.aspx?prod=PX300.4&Language=ENG&Country=US&Region=USA&cat=AMP&ser=POS
JBL GTO1200.1
http://www.jbl.com/car/products/product_detail.aspx?prod=GTO1201.1%20II&Language=ENG&Country=US&Region=USA&cat=AMP&ser=GTS
600/4
http://www.jbl.com/car/products/product_detail.aspx?prod=PX300.4&Language=ENG&Country=US&Region=USA&cat=AMP&ser=POS