diff --git a/OpenRa.Game/Traits/ChronoshiftPower.cs b/OpenRa.Game/Traits/ChronoshiftPower.cs
index b8a0add34c..94cc5ba2f8 100644
--- a/OpenRa.Game/Traits/ChronoshiftPower.cs
+++ b/OpenRa.Game/Traits/ChronoshiftPower.cs
@@ -17,8 +17,8 @@ namespace OpenRa.Traits
 	class ChronoshiftPower : SupportPower, IResolveOrder
 	{	
 		public ChronoshiftPower(Actor self, ChronoshiftPowerInfo info) : base(self, info) { }
-		protected override void OnBeginCharging() { Sound.Play("chrochr1.aud"); }
-		protected override void OnFinishCharging() { Sound.Play("chrordy1.aud"); }
+		protected override void OnBeginCharging() { if (Owner == Owner.World.LocalPlayer) Sound.Play("chrochr1.aud"); }
+		protected override void OnFinishCharging() { if (Owner == Owner.World.LocalPlayer) Sound.Play("chrordy1.aud"); }
 		protected override void OnActivate()
 		{
 			Game.controller.orderGenerator = new SelectTarget();
diff --git a/OpenRa.Game/Traits/IronCurtainPower.cs b/OpenRa.Game/Traits/IronCurtainPower.cs
index 6ad02378ce..8460659074 100644
--- a/OpenRa.Game/Traits/IronCurtainPower.cs
+++ b/OpenRa.Game/Traits/IronCurtainPower.cs
@@ -16,8 +16,8 @@ namespace OpenRa.Traits
 	{
 		public IronCurtainPower(Actor self, IronCurtainPowerInfo info) : base(self, info) { }
 
-		protected override void OnBeginCharging() { Sound.Play("ironchg1.aud"); }
-		protected override void OnFinishCharging() { Sound.Play("ironrdy1.aud"); }
+		protected override void OnBeginCharging() { if (Owner == Owner.World.LocalPlayer) Sound.Play("ironchg1.aud"); }
+		protected override void OnFinishCharging() { if (Owner == Owner.World.LocalPlayer) Sound.Play("ironrdy1.aud"); }
 		protected override void OnActivate()
 		{
 			Game.controller.orderGenerator = new SelectTarget();
diff --git a/OpenRa.Game/Traits/NukePower.cs b/OpenRa.Game/Traits/NukePower.cs
index 9612773bd0..fc07b3c4be 100644
--- a/OpenRa.Game/Traits/NukePower.cs
+++ b/OpenRa.Game/Traits/NukePower.cs
@@ -14,8 +14,8 @@ namespace OpenRa.Traits
 	{
 		public NukePower(Actor self, NukePowerInfo info) : base(self, info) { }
 
-		protected override void OnBeginCharging() { Sound.Play("aprep1.aud"); }
-		protected override void OnFinishCharging() { Sound.Play("aready1.aud"); }
+		protected override void OnBeginCharging() { if (Owner == Owner.World.LocalPlayer) Sound.Play("aprep1.aud"); }
+		protected override void OnFinishCharging() { if (Owner == Owner.World.LocalPlayer) Sound.Play("aready1.aud"); }
 		protected override void OnActivate()
 		{
 			Game.controller.orderGenerator = new SelectTarget();
diff --git a/OpenRa.Game/Traits/SonarPulsePower.cs b/OpenRa.Game/Traits/SonarPulsePower.cs
index 899d138b87..a9741ced13 100644
--- a/OpenRa.Game/Traits/SonarPulsePower.cs
+++ b/OpenRa.Game/Traits/SonarPulsePower.cs
@@ -15,7 +15,7 @@ namespace OpenRa.Traits
 		public SonarPulsePower(Actor self, SonarPulsePowerInfo info) : base(self, info) { }
 
 		protected override void OnBeginCharging() { }
-		protected override void OnFinishCharging() { Sound.Play("pulse1.aud"); }
+		protected override void OnFinishCharging() { if (Owner == Owner.World.LocalPlayer) Sound.Play("pulse1.aud"); }
 
 		protected override void OnActivate()
 		{