Like OP said
Whats need:
1) Android 4.0.1 or High, On 2.3 no work don't try!
2) Remove some old libs and apps
-- 1. /system/lib/soundfx/ and remove libcyanogen-dsp.so (If you have here)
-- 2. /system/lib/soundfx/ and remove libbundlewrapper.so (If you have here)
-- 3. /system/app/ and remove DSPManager.apk (If you have here)
-- 4. /system/app/ and remove MusicFX.apk (If you have here)
3) Unpack all files from srsfiles_for_port_on_other_phone.zip to /system/. Or just flash zip pack. srsaudiofx.zip
Sent from MARVEL