I have three answers for you - BOSE - BOSE - BOSE - have been using their speakers since 1980 (301's) and have never looked back they have the hands down best speakers in the world - You will undoubtedly pay through the nose for them - but their worth it.
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If you really are person, who LISTEN to the MUSIC and the BEATS and the INSTRUMENTS played and the EFFECT and enjoy, the BEST BRAND that i can suggest is BOSE, they are a Bit Expensive, but only a one time investment for a LIFETIME.
You can really do some good Research on this,
and think about this and then decide on getting a good one.