diff --git a/index.html b/index.html
index c4ad8fd..89a6a4e 100644
--- a/index.html
+++ b/index.html
@@ -364,7 +364,10 @@ function initAudioCtx() {
     gainB.connect(splitter);
     splitter.connect(analyserL, 0);
     splitter.connect(analyserR, 1);
-    analyser.connect(audioCtx.destination);
+    volumeGain = audioCtx.createGain();
+    volumeGain.gain.value = parseFloat(volumeSlider.value);
+    analyser.connect(volumeGain);
+    volumeGain.connect(audioCtx.destination);
   } catch (e) {}
 }
 const canvas = document.getElementById('spectrum');
@@ -1673,8 +1676,7 @@ waveformWrap.addEventListener('click', (e) => {
 });
 volumeSlider.addEventListener('input', () => {
   const v = parseFloat(volumeSlider.value);
-  audioElA.volume = v;
-  audioElB.volume = v;
+  if (volumeGain) volumeGain.gain.value = v;
   volDisplay.textContent = Math.round(v * 100);
 });
 addFolderBtn.addEventListener('click', addFolder);