my HEAD hurts and the SFX is TOO LOUD

Assets/Scripts/CameraShake.cs

@@ -0,0 +1,24 @@
+using Unity.Cinemachine;
+using UnityEngine;
+
+public class CameraShake : MonoBehaviour
+{
+    [SerializeField] private CinemachineImpulseSource impulseSource;
+    [SerializeField] private float cameraShakeForce;
+    private float currentDuration;
+
+    public void ShakeCamera(float duration)
+    {
+        currentDuration = duration;
+    }
+
+    private void Update()
+    {
+        if (currentDuration > 0)
+        {
+            currentDuration -= Time.deltaTime;
+            impulseSource.DefaultVelocity = new Vector3(Random.Range(-1f, 1f), Random.Range(-1f, 1f), 0f);
+            impulseSource.GenerateImpulse(cameraShakeForce);
+        }
+    }
+}