That's reassuring - mine is definitely loud enough to make his opinions known 😂
Oh it'll come, don't worry - just keep talking to him loads and he'll copy your intonation with his sounds!
My baby is 8 months and not really babbling either just making lots of sounds like you said.. I’m not concerned all babies are different 🙂 also .. what is LO ? 🫠
My lo isn't babbling either - like yours will make a lot of noise too!