diff --git a/binary/dlls/client.cpp b/binary/dlls/client.cpp
index 4ab01371..87949ae5 100644
--- a/binary/dlls/client.cpp
+++ b/binary/dlls/client.cpp
@@ -889,6 +889,7 @@ void ClientPrecache( void )
 
 	// BlueNightHawk : Suit Energy Regeneration
 	PRECACHE_SOUND("debris/beamstart15.wav");
+	PRECACHE_SOUND("player/shield_low.wav");
 	PRECACHE_SOUND("player/shield_empty.wav");
 	PRECACHE_SOUND("player/shield_charge.wav");
 	PRECACHE_SOUND("items/suitchargeno1.wav");
diff --git a/binary/dlls/player.cpp b/binary/dlls/player.cpp
index 2ed0ec2b..fc55ce58 100644
--- a/binary/dlls/player.cpp
+++ b/binary/dlls/player.cpp
@@ -4658,6 +4658,35 @@ void CBasePlayer :: UpdateClientData( void )
 		m_iClientHideHUD = m_iHideHUD;
 	}
 
+	float currentTime = gpGlobals->time;
+
+	if (pev->armorvalue < 10)
+	{
+		if (!isShieldLow && (currentTime - lastShieldSoundTime > 1.0f)) // 1 second delay
+		{
+			EMIT_SOUND(ENT(pev), CHAN_AUTO, "player/shield_low.wav", 0.85, ATTN_NORM);
+			isShieldLow = true;
+			lastShieldSoundTime = currentTime;
+		}
+	}
+	else
+	{
+		if (isShieldLow)
+		{
+			STOP_SOUND(ENT(pev), CHAN_AUTO, "player/shield_low.wav");
+			isShieldLow = false;
+		}
+	}
+
+	if (pev->armorvalue == 0)
+	{
+		STOP_SOUND(ENT(pev), CHAN_AUTO, "player/shield_low.wav");
+	}
+	else if (pev->armorvalue > 10)
+	{
+		STOP_SOUND(ENT(pev), CHAN_AUTO, "player/shield_low.wav");
+	}
+
 	// BlueNightHawk : Suit Energy Regeneration
 #define MSG_STOP_SOUND 100
 	if (sv_aura_regeneration.value != 0 && pev->armorvalue < MAX_NORMAL_BATTERY
diff --git a/binary/dlls/player.h b/binary/dlls/player.h
index 18b3dd95..5974bced 100644
--- a/binary/dlls/player.h
+++ b/binary/dlls/player.h
@@ -255,7 +255,7 @@ class CBasePlayer : public CBaseMonster
 	BOOL SwitchWeapon( CBasePlayerItem *pWeapon );
 
 	// JOHN:  sends custom messages if player HUD data has changed  (eg health, ammo)
-	virtual void UpdateClientData( void );
+	//virtual void UpdateClientData( void );
 	
 	static	TYPEDESCRIPTION m_playerSaveData[];
 
@@ -515,6 +515,13 @@ class CBasePlayer : public CBaseMonster
 	Vector m_DisplacerReturn;
 	float m_flDisplacerSndRoomtype;
 
+	bool isShieldLow;
+	float lastShieldSoundTime;
+
+	CBasePlayer () : isShieldLow(false), lastShieldSoundTime(0.0f) {}
+
+	void UpdateClientData();
+
 private:
 	CRope* m_pRope;
 	float m_flLastClimbTime = 0;