You can set volume limits for the iPhone.
Settings > General > Restrictions (turn ON)
Tap Enable Restrictions
Look for the section under "Allow Changes" .... "Volume Limit"
For additional information, please refer to page 137 in the iPhone User Guide below:
This topic should be up !
I just bought IP5S last friday and it is EU version. I didn't test headphone till today. OMG it was terrible. I am using a powerful headphone which rocks my world (not the Apple one). It is great on Ipad mini and IP4 but IP5S expreience was terrible. So i tried my in-ear headphones which technical specs are:
- Driver Size 9mm (0.35 inches) Neodymium magnet
- Frequency Response 6Hz ~ 23kHz
- Impredance 16 Ohm
And sound was higher.
I tried every single solution on this thread, restoring, canceling limitations, making volume higher via Itunes but nothing really changed for the big headphone.
As far as i know, music players are supposed to feed speakers, headphones etc. just as meant to be. My big headphone has 40 Ohm impedance. Thus, I am thinking IP5S is not good enough to feed that big headphone.
So here is my temporary solution for the issue. Well i am looking forward to see Apple's permanent one.
1) Make songs' volume higher via Itunes and sync. (Select equalizer as Custom)
2) Doing that makes songs' volume higher (about +%20) but distortion is really annoying.
3) To aviod that annoying distotion a little bit, set equalizer as "Electronic" on the phone settings.