Default Offtopic : worth changing?

Hi Guys,

I am a proud owner of an m7ul device and I am torn between the M8 and the M7...

My main concern is the speaker and Sound....will it be that bassy? (deep sounds)
lack of ois? and mic quality?

With the m7 I could stand next to the biggest speaker during a concert....and no distortion at all...

Will it be the same? ((

Thanks in advance
HTC One M8
ROM: 1.54.401.10 (KOT49H) | HBOOT: 3.16.0.0000 | Baseband: 1.16.2133156.UA15G_20.18m.4096.07L
■S-OFF | ■Rooted | ■Unlocked | ■Stock Kernel & Recovery
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HTC One M7 (black) 32GB
Unlocked/Root/Cust. Kernel/Cust Rom/Modified Hboot/S-OFF

RETIRED: - iPhone 3gs/4, Samsung Galaxy S3/S4