First you would need to understand your tinnitus. The frequency screaming in your ear is not the same for everyone. Identify your frequency peak....Then If you can biamp,triamp,etc. your best bet is to use a dsp... eq your room by channel and account for the hearing loss/peak on that channel. The mini dsp starts at a bit over $100. with this, you can change your world and would end up with good results.
I hope this helps,