: If you are working across devices, note that GarageBand for iOS automatically normalizes tracks on export, which can sometimes "wreck" a professional master by squashing dynamics. Pro Mixing Tips for 10.4.8
Connect your high-quality audio interface (e.g., an Apogee Duet or similar). garageband 1048 high quality
You followed the steps, but your track still sounds amateur. Here are the three silent killers of GarageBand 1048 high quality. GarageBand 10
Summarize that high-quality audio is a product of input chain and user settings, proving that GarageBand is not just a toy, but a viable tool for professional-sounding music. The Secret to GREAT Recordings Cut lows below 30–50 Hz on non-bass instruments