i want to know the price for Clarion APX480M 640W 4/3/2-Channel Power Amplifier as i have heard and checked its quality in my friend's car.... but its seems to me that he have purchased it a bit costly.... i was searching for the this amplifier and found on several sites but comparing all of them i found planetonline.com site is giving the best deal for it... and its for $183.97.... if anyone can tell me from where i can get the lower price then this....