15"fane classics, system build help :)

hi , i have a pair of fane classics 15-300, they are 300w rms 600w peak ,ive been told they r decent speakers, not really sure wat to do with them weather to build bass boxes for them ,wud they be suitable for bass bins? or have them as mid highs if so wat would be the best tweeters to get for them? .
im not to clued up as u can prob tell so any info , feedback or ideas wud be much appreciated . thanks