https://machineskingdom.com/product/audio-technica-ese-oa-omnidirectional-element-with-at8138-for-es925/
Audio-Technica ESE-Oa Omnidirectional Element with AT8138 for ES925 - MACHINES KINGDOM
Sep 13, 2023 - PRODUCT OVERVIEW The ESE-Oa is an interchangeable Omnidirectional (360? pickup pattern) microphone element for use on select A-T Engineered Sound
audio technica