i got an alpine amp for 15.00 bucks at a yard sale this weekend. it is marked with alpine 4/3/2 channel mrv-f305 v-12 expert. never had one. looks brand new and the owner stated it works fine. it was removed from a wrecked vehicle. any info on this amp would help such as wattage. i will use it to amp my front and rear 6.5 sony explodes thanks to all replies.