diff --git a/src/AudioOutputPWM.cpp b/src/AudioOutputPWM.cpp
index 6d907540..284bff92 100644
--- a/src/AudioOutputPWM.cpp
+++ b/src/AudioOutputPWM.cpp
@@ -89,6 +89,9 @@ bool AudioOutputPWM::ConsumeSample(int16_t sample[2]) {
     ms[LEFTCHANNEL] = ms[RIGHTCHANNEL] = (ttl>>1) & 0xffff;
   }
 
+  ms[LEFTCHANNEL] = Amplify(ms[LEFTCHANNEL]);
+  ms[RIGHTCHANNEL] = Amplify(ms[RIGHTCHANNEL]);
+
   if (pwm.available()) {
       pwm.write((int16_t) ms[0]);
       pwm.write((int16_t) ms[1]);