Slot port vs Round port confusion!!!

I'm going to attempt building a subwoofer box here pretty soon but I don't know if I should go with a slot port or a flared tube port

While anticipating the next round of changes in a now resurgent India, we are confident of our ability to continue fulfilling our mandate to the soldier and his

slot deposit dana 10 ribu  Resolution SIM Slot Type SIM 1 + SIM 2 SIM 1 + eSIM Dual eSIM Infra 2G GSM, 3G

slot machines for fun no download Round Trip From Mumbai down-arrow To Mandwa down-arrow Nice, Large, and Comfortable Ferry from Princess Dock Mumbai to Mandwa Port near Alibaug