hey im gonna buy an ashdown abm 300 head a mini 4x8 and a mini 115 cab , only snag is they dont sell them round here!! what will the cab configuration be like?? il start off with the 4x8 cab , how low can this speaker cab go without sacrificing bright highs and snazzy mids?? will it b loud enough?? i play in church and the occasional rock gig , most places we play are p.a supported but our church isnt! will 575 watt head b better but the mini 15 is only a 300watt cab lol any info will be appreciated , thanks in advance