You can reach a solid intermediate level (B1) where you can travel, order food, and have simple conversations. To reach advanced fluency (B2/C1), you eventually need speaking partners (free via Tandem or HelloTalk). But audio builds the foundation.
If you are starting from scratch, experts suggest following these steps for audio-based learning: easy french step-by-step audio free
: Try listening to the audio without looking at the text to see how much you catch. Read along You can reach a solid intermediate level (B1)