Part of your issues is getting adjusted to hearing things. The other part is that the hearing professional needs to adjust the hearing aid.
One, you need to have your provider lower the total gain, and slowly bring the gain up to the correct level over a few months.
Two, your provider needs to adjust the hearing aids to remove the tinniness by adjusting certain frequencies.
Three, your provider needs to work on making the hearing in noise program fix your issue at the restaurant.
My concern is that you may have only a month to return the hearing aids if you are not satisfied. I don’t think that’s long enough. Two months should be the minimum.
Understand, that the person programming your hearing aids can make all the difference. If this hearing aid and professional making the adjustments can’t make it work, find another professional to work with.
Unless your insurance picking up the tab, I would personally go to Costco, if there is a Costco within 25 miles of you. I would return the Nexia and try the Rexton or Philips hearing aids at Costco. You get 180 days, cash back return, at Costco to get the adjustments right.
The one downside at Costco is that they are busy and may not give you the support as quickly as you would like. So Costco isn’t perfect, but at least you have 180 days.
Note that new Philips hearing aids are coming out this year, should have Auracast. The Rexton folks have stated that they plan to update their software for Auracast.
Auracast is kind of a big deal. It will allow you to listen to broadcast information using your smart phone and hearing aids, think theaters, airports, church and so on. Note, your Nexia hearing aids already have Auracast capability.