ok soo i recently bought 2 alpine type R's and have one kenwood 1000watt amp...i have it bridged out to both...now to my question when i play a song itll have good bass for a lil then sound like it gettin quieter..the subs are dual 4 oams and i was thinkin mabye im overloading the amp wit just one bridged out...any ideas on what it could be....