QUES: It is important to start early and to be consistent with training

correct the punctuation.

CORRECTED: It is important to start early and to be consistent with training.

QUES: Your amplifier must simply be of good quality and the output power should be 50 watts or more

correct the punctuation.

CORRECTED: Your amplifier must simply be of good quality and the output power should be 50 watts or more.

QUES: Also it contain audio CD ripper which can convert to MP3 WMA WAV Importantly it can copy ID3v2 Tag which contains song title performers name and other important information about the track

correct the punctuation.

CORRECTED:
Also it contain audio CD ripper, which can convert to MP3, WMA, WAV. Importantly, it can copy ID3v2 Tag, which contains song title, performer's name and other important information about the track.