Noahlink Wireless is your best choice for now and future newer/current hearing aids unless you plan to fit Legacy model hearing aids.
Hearing aids are typically programmed to fit your specific hearing loss and therefore are already currently programmed to the correct "volume". However, for someone new to wearing hearing aids that "volume" initially seems too loud, and especially for sounds such as water splashing in the sink, dishes clacking, potato chip bags crinkling, and such.
See Page 11 (auto Acclimatization) of the → Phonak Target Step-by-step Guide where the volume can be set to incrementally adjust slightly higher until it reaches your Rx'd/Prescribed level of 100%.
For long-term hearing aid wearers this phase is likely long past and done-with unless you have→ hyperacusis or similar problems.
