diff --git a/autoloads/audio.gd b/autoloads/audio.gd
index 2707d9b..aa937e6 100644
--- a/autoloads/audio.gd
+++ b/autoloads/audio.gd
@@ -74,6 +74,7 @@ const a_mech_hurt_1 = preload("res://audio/sounds/mech_hurt_1.ogg")
 const a_mech_hurt_2 = preload("res://audio/sounds/mech_hurt_2.ogg")
 const a_mech_hurt_3 = preload("res://audio/sounds/mech_hurt_3.ogg")
 const a_critical_heat = preload("res://audio/sounds/critical_heat.ogg")
+const a_glass_break = preload("res://audio/sounds/cop_shoot.ogg")
 
 var loop_section = null
 var has_looped = false
diff --git a/graphics/enemy/boss/stg_2600/head_broken.png b/graphics/enemy/boss/stg_2600/head_broken.png
index 48c0641..a19d4d1 100644
Binary files a/graphics/enemy/boss/stg_2600/head_broken.png and b/graphics/enemy/boss/stg_2600/head_broken.png differ
diff --git a/maps/boss/boss2_arena.gd b/maps/boss/boss2_arena.gd
index 228e027..93850b3 100644
--- a/maps/boss/boss2_arena.gd
+++ b/maps/boss/boss2_arena.gd
@@ -8,8 +8,10 @@ func _ready():
 func _on_2600_entered_phase(phase):
 	match phase:
 		2:
+			Audio.play_sound(Audio.a_glass_break,Audio.ac_small_explosion)
 			$DelayedArrow2.start()
 		3:
+			Audio.play_sound(Audio.a_glass_break,Audio.ac_small_explosion)
 			$DelayedArrow3.start()
 		4:
 			$ExitTimer.start()