Mistakes were made.

code/datums/components/earhealing.dm

@@ -1,30 +0,0 @@
-// An item worn in the ear slot with this component will heal your ears each
-// Life() tick, even if normally your ears would be too damaged to heal.
-
-/datum/component/earhealing
-	var/mob/living/carbon/wearer
-
-/datum/component/earhealing/Initialize()
-	if(!isitem(parent))
-		return COMPONENT_INCOMPATIBLE
-	RegisterSignal(parent, list(COMSIG_ITEM_EQUIPPED, COMSIG_ITEM_DROPPED), .proc/equippedChanged)
-
-/datum/component/earhealing/proc/equippedChanged(datum/source, mob/living/carbon/user, slot)
-	if (slot == SLOT_EARS && istype(user))
-		if (!wearer)
-			START_PROCESSING(SSobj, src)
-		wearer = user
-	else
-		if (wearer)
-			STOP_PROCESSING(SSobj, src)
-		wearer = null
-
-/datum/component/earhealing/process()
-	if (!wearer)
-		STOP_PROCESSING(SSobj, src)
-		return
-	if(!HAS_TRAIT(wearer, TRAIT_DEAF))
-		var/obj/item/organ/ears/ears = wearer.getorganslot(ORGAN_SLOT_EARS)
-		if (ears)
-			ears.deaf = max(ears.deaf - 1, (ears.damage < ears.maxHealth ? 0 : 1)) // Do not clear deafness if our ears are too damaged
-			ears.damage = max(ears.damage - 0.1, 0)

code/datums/components/earprotection.dm

@@ -0,0 +1,11 @@
+/datum/component/wearertargeting/earprotection
+	signals = list(COMSIG_CARBON_SOUNDBANG)
+	mobtype = /mob/living/carbon
+	proctype = .proc/reducebang
+
+/datum/component/wearertargeting/earprotection/Initialize(_valid_slots)
+	. = ..()
+	valid_slots = _valid_slots
+
+/datum/component/wearertargeting/earprotection/proc/reducebang(datum/source, list/reflist)
+	reflist[1]--