Donici Mihail

https://www.thomann.de/intl/md/ibanez_ibz10bv2.htm or https://www.thomann.de/intl/md/vox_pathfinder_10_bass.htm (i'm looking for a heavy sounding and a durable bass)

can i put the thickest strings from a 5 string set on a 4-string bass guitar? i can play only 4 string and i dont want to go for the 5 string version of this bass: https://www.thomann.de/intl/md/marcus_miller_m2_tbk_2nd_gen.htm can this bass get damage from smth like this?

Technically,which is better? https://www.ibanez.com/eu/products/detail/rgb300_1p_01.html or https://www.ibanez.com/eu/products/detail/sr300e_02.html

https://www.thomann.de/intl/md/ibanez_sr300e_gvm.htm VS https://www.thomann.de/intl/md/marcus_miller_m2_tbk_2nd_gen.htm (I'm searching for a heavier sound)

https://www.thomann.de/intl/md/ibanez_rgb300_bkf.htm OR https://www.thomann.de/intl/md/ibanez_sr300e_gvm.htm I"m looking for a heavy sound,like death metal or smth,what should i choose between these 2? (gotta mention that i have very long fingers and also,i am a beginner player)