I've had a double stapedectomy (replacing the stapes bone with a metal prosthesis) and I can't tell the difference between a $400 pair of headphones versus $100

I've had a double stapedectomy (replacing the stapes bone with a metal prosthesis) and I can't tell the difference between a $400 pair of headphones versus $100, but I can tell a difference on the low end. As my hearing is likely to degrade, this will be of interest when need to get hearing aids.