Manjaro has metapackages manjaro-pulse and manjaro-pipewire to switch between PulseAudio and PipeWire audio servers
Specifications for Victus by HP 15.6 inch Gaming Laptop 15-fb0000 shows system has proprietary software “Audio by B&O” to enhance audio to speakers on Windows that is not supported on Linux
Headphones or external speakers plugged in to 3.5mm jack is likely to deliver better audio quality from on board audio codec (Realtek ALC245) without additional processing software
Linux has Easyeffects and JamesDSP to enhance laptop speaker audio
pamac install easyeffects
[How To] Make Linux sound GREAT!
pamac build jamesdsp
[HowTo] Make Linux Sound BETTER, easier, with JamesDSP
System has 2 downward-facing speakers so speaker audio quality would be affected by the type of surface it is placed on
Low quality speaker audio is a common problem for modern thin laptops because speakers are too small to reproduce bass frequencies. Modern laptops also have lower power amplifiers for better battery life