Reduce IEM cable noise by checking clothing contact, routing, slack and fit. Learn to distinguish mechanical microphonics from electrical crackles or dropouts.
Check harsh IEM treble by comparing recordings, fit, volume and EQ. Learn how to separate sibilance in a track from a tuning preference or a setup problem.
Troubleshoot IEMs with no bass by separating a poor seal, blocked nozzle, source settings and tuning preference. Follow controlled checks before buying gear.