diff --git a/CMakeLists.txt b/CMakeLists.txt
index ab899f272..e32f9c1cc 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -23,6 +23,7 @@ find_package(FFTW3F)
 ##############################################################################
 
 #include(${QT_USE_FILE})
+set( QT_DEFINITIONS "${QT_DEFINITIONS} -DQT_NO_DEBUG_OUTPUT" )
 add_definitions(${QT_DEFINITIONS})
 
 if(MSVC)
diff --git a/sdrbase/audio/audiooutput.cpp b/sdrbase/audio/audiooutput.cpp
index 455241a0b..a7786965e 100644
--- a/sdrbase/audio/audiooutput.cpp
+++ b/sdrbase/audio/audiooutput.cpp
@@ -49,7 +49,7 @@ bool AudioOutput::start(int device, int rate)
 	QAudioFormat format;
 	QAudioDeviceInfo devInfo(QAudioDeviceInfo::defaultOutputDevice());
 
-	format.setSampleRate(41000);
+	format.setSampleRate(48000);
 	format.setChannelCount(2);
 	format.setSampleSize(16);
 	format.setCodec("audio/pcm");
@@ -57,12 +57,12 @@ bool AudioOutput::start(int device, int rate)
 	format.setSampleType(QAudioFormat::SignedInt);
 
 	if(!devInfo.isFormatSupported(format)) {
-		qDebug("default format not supported - try to use nearest");
+		qWarning("48kHz S16_LE audio format not supported");
 		format = devInfo.nearestFormat(format);
 	}
 
 	if(format.sampleSize() != 16) {
-		qDebug("audio device doesn't support 16 bit samples (%s)", qPrintable(devInfo.defaultOutputDevice().deviceName()));
+		qWarning("Audio device ( %s ) failed", qPrintable(devInfo.defaultOutputDevice().deviceName()));
 		return false;
 	}