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Question: Yamaha DRX-730: Which Speaker ???

Hello, I just bought this unit and would like to have advice for good speakers ? I just bought a paire of JM Lab Chorus 705 on ebay (for about 50€), not sure I did right... some forum recommands to add a subwoofer (?)
I'm all ears to your advice, I was looking initially at the Yamaha NX-E700 or 800, the JBL CONTROL ONE, also heard about the WHAREFEDALE DIAMOND 9.1s and some others... Thanx to all