diff --git a/packages/fireworks-js/src/fireworks.ts b/packages/fireworks-js/src/fireworks.ts
index 7f52014..54d9af5 100644
--- a/packages/fireworks-js/src/fireworks.ts
+++ b/packages/fireworks-js/src/fireworks.ts
@@ -40,7 +40,7 @@ export class Fireworks {
     this.createCanvas(this.target)
     this.updateOptions(options)
 
-    this.sound = new Sound(this.opts)
+    this.sound = this.opts.soundClass || new Sound(this.opts)
     this.resize = new Resize(
       this.opts,
       this.updateSize.bind(this),