Can horn players use UE PRO IEMs? Follow YES! In-ears are for everyone who wants to perform better. For horn players, we suggest adding the ambient ports in order to reduce pressure. Learn more here. Related articles Are more drivers better? Do I need or want the passive ambient feature for my UE Pro Custom In-Ear Monitors? User Guide What is the ambient sound level reduction when using any type of UE Pro In-Ear Monitors? UE 18+ Pro
