This is what i have been running the last three years. Its not Honda quiet but I dont mind a little noise. Buddy has the one you first mentioned from Harbor Freight. His is a little heavier but id say they are about the same for noise.
https://www.championpowerequipment.com/product/75537i-3100-watt-wireless-start-inverter/
https://www.championpowerequipment.com/product/75537i-3100-watt-wireless-start-inverter/
