diff --git a/@sampler/src/main.cpp b/@sampler/src/main.cpp
index 3755b78..7d1659d 100644
--- a/@sampler/src/main.cpp
+++ b/@sampler/src/main.cpp
@@ -296,6 +296,7 @@ void setup() {
 
   //let auto-poweroff speakers stay turned ON!
   sine1.frequency(IDLE_FREQ);
+  sine1.amplitude(0);
 
   //led
   pinMode(13, OUTPUT);