How to shop for speakers<br>Decide how you'll use the speakers. The variety of speaker builds suits individual speakers for different tasks. For casual music listening, a pair of bookshelf speakers would be more than enough.
speakers can be used just for one task. 
( z1 possible :ARG1 ( z2 use :ARG1 ( z3 person :ARG0-of ( z4 speak ) ) :ARG2 ( z5 task :quant 1 :mod ( z6 just ) ) ) )