Sound-isolating in-ear monitors from three ranges that cover most stage and studio requirements: Shure’s SE215, SE425 and flagship SE846, Sennheiser’s IE 100 PRO and IE4, and Audio Technica’s ATH-E40, ATH-E50 and ATH-E70.

Isolation does more for a monitor mix than driver count. A well-sealed single-driver earphone beats a poorly fitted flagship, so treat tip fit as part of the purchase and expect to try foam and silicone in more than one size. Driver count still matters at the top: multi-driver models like the SE846 and ATH-E70 resolve dense mixes and give engineers a reference-grade picture, while single dynamic drivers such as the SE215 and IE 100 PRO are the standard-issue band earphone for good reason. Check the cable system too; detachable cables mean a snagged lead is a spare-part swap rather than a dead earphone, and replacement and mono cables are listed for the common ranges. Clear-bodied versions stay discreet on camera and under stage lighting.

Spare ear tips in foam and silicone sit in the monitoring accessories section, and the wireless bodypacks that feed these earphones are one category over.