Galaxy Tab 2 10.1 default_gain_conf help topic

Hi everyone,
i have my tab2 10.1. fw 4.2 stock with root permission and kernel [JB][STOCK / CM]blackhawk's NEXT kernel ,i need of more volume in headset while listening music,i cant find one file default_gain_conf for my tab with paramater modify for amplifier volume..

Can you help me??

Thansk
Or if exist one other method for boost volume fo my headset.

Thanks!!