The problem is there no delay when i press media up first register and the following registers, so unless i click and release real quick, it raise or decrease volume by 4 level instead of just 2. This was not like that back when i was using Synapse 3. It happened with synapse 4.
Razer keyboards (especially with Synapse 4) often send rapid repeat signals for media keys (volume up/down), with almost no initial delay — unlike most other keyboards, which typically have a built-in delay before repeat kicks in (just like regular typing keys).
Synapse 4 lacks a setting to adjust repeat rate or debounce time for media keys — unlike some other manufacturers (e.g., Logitech with G Hub or QMK-supported boards).