Add spaces: Thespeakerismadeofqualitymaterialsandtheyarechosentoprovidebettersound.

Answer: The speaker is made of quality materials and they are chosen to provide better sound.

Add spaces: Shouldbetakentogetherwithmagnesiuminconnectionwithmeals.

Answer: Should be taken together with magnesium in connection with meals.

Add spaces: OnlythereIcanputmyvirtualacquiredforthoughtevenintoaction.

Answer:
Only there I can put my virtual acquired for thought even into action.