I have two kenwood excelon amps for sale. the version with the sliding cover.
one amp is a Mono channel and it's brand new and in the box
the other is a used 4 channel but still in great condition.
these three sites will give you the specs of both amps.
the first site is for the KAC X401M MONO channel amp which i'm asking for $300
http://www.dealtime.com/xPF-Kenwood_KAC_X401M

the nex site is for the KAC X501F 4 channel amp which i'm asking to get $300 for also.
http://www.energenix.com/4-channel-6...amplifier.html

these amps cost me more than $600 individually.

so if you have any question please emai me at licnce2kill@aol.com