I have a RE Audio 10" 300watt(rms) 4 ohm sub, two RE Audio 6.5" 50watt(rms) 250watt(output power) component speakers, two RE Audio 6.5" 70watt(rms) 125watt(output power) component speakers, & a Kenwood 50x4(max watt) 22x4(rms) receiver......I was wondering if anyone could help with what size...