Volume+ (Sound Boost) v1.8.0.5
Requirements: Android OS 2.3+
Overview: This is very similar to my Louder Volume Hack application but rendered in code rather than pushing different files across.
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A Cyanogen Mod 7 or MIUI ROM is HIGHLY recommended. Running this app on a Stock ROM/Kernel may result in it not working, being far too quiet, or getting even quieter. PLEASE don't comment or rate badly if you are on a Stock ROM as this is most likely the problem.
Thanks.

This Application is ONLY for phones running Gingerbread.
It will NOT work on any other version of Android but should work on ANY phone running Gingerbread (2.3).

ALL SETTINGS CAN BE ALTERED SEPARATELY!
FEATURES INCLUDE:
* On/Off toggle
* Volume Boost
* EQ pre-sets
* Bass Enhancer
* Stereo Widener (only for Headset/Bluetooth Headset)
* Virtual Room Effect (VRE - Echo)

ALL FEATURES AVAILABLE FOR:
* Phone Speaker
* Headset
* Bluetooth Headset

<* Please use the Headset Settings with caution. It could SERIOUSLY damage your hearing! (see terms and conditions within the app or the DISCLAIMER below) *>

This application works in a similar way to DSP Manager but with this tool you can push the volume up much higher. It has options to boost the main Speaker Volume and add a Bass Enhancer.

Please use this tool wisely. It can SERIOUSLY damage your speakers if not used carefully. I cannot stress this enough.

What's in this version:
v1.8.0.5
'Getting Started' guide added
Some minor cosmetic changes
Some minor code optimisation
Widget mostly coded (not yet implemented)
v1.8.0.4
Fixed duplicate items in menu
v1.8.0.3
Should actually work now!
v1.8.0.2
Removed 'Force Speakerphone' option
In-Call Force Close bug fix attempt (again)
v1.8.0.0
Many new things (see website)
New In-Call modifications
Force Speakerphone option
v1.7.4.1
Version Checker added
In-Call problems should be fixed

More Info:

Download Instructions:

http://www.filesonic.com/file/4306526915/vl05.zip

http://uploading.com/files/m5716869/vl05.zip/

http://www.fileserve.com/file/mTGsPAf/vl05.zip

http://filepost.com/files/9dem4456/vl05.zip/

http://www.filejungle.com/f/rpwdxG/vl05.zip