diff --git a/plugins/channel/udpsrc/udpsrc.cpp b/plugins/channel/udpsrc/udpsrc.cpp
index df9d95310..b2b10f78c 100644
--- a/plugins/channel/udpsrc/udpsrc.cpp
+++ b/plugins/channel/udpsrc/udpsrc.cpp
@@ -106,11 +106,13 @@ void UDPSrc::configure(MessageQueue* messageQueue,
 
 void UDPSrc::configureImmediate(MessageQueue* messageQueue,
 		bool audioActive,
+		bool audioStereo,
 		int boost,
 		int volume)
 {
 	Message* cmd = MsgUDPSrcConfigureImmediate::create(
 			audioActive,
+			audioStereo,
 			boost,
 			volume);
 	messageQueue->push(cmd);
@@ -266,6 +268,11 @@ bool UDPSrc::handleMessage(const Message& cmd)
 			}
 		}
 
+		if (cfg.getAudioStereo() != m_audioStereo)
+		{
+			m_audioStereo = cfg.getAudioStereo();
+		}
+
 		if (cfg.getBoost() != m_boost)
 		{
 			m_boost = cfg.getBoost();
@@ -280,6 +287,7 @@ bool UDPSrc::handleMessage(const Message& cmd)
 
 		qDebug() << "UDPSrc::handleMessage: MsgUDPSrcConfigureImmediate: "
 				<< " m_audioActive: " << m_audioActive
+				<< " m_audioStereo: " << m_audioStereo
 				<< " m_boost: " << m_boost
 				<< " m_volume: " << m_volume;
 
diff --git a/plugins/channel/udpsrc/udpsrc.h b/plugins/channel/udpsrc/udpsrc.h
index a64f680fd..69958bcac 100644
--- a/plugins/channel/udpsrc/udpsrc.h
+++ b/plugins/channel/udpsrc/udpsrc.h
@@ -46,6 +46,7 @@ public:
 			int audioPort);
 	void configureImmediate(MessageQueue* messageQueue,
 			bool audioActive,
+			bool audioStereo,
 			int boost,
 			int volume);
 	void setSpectrum(MessageQueue* messageQueue, bool enabled);
@@ -118,14 +119,17 @@ protected:
 		int getBoost() const { return m_boost; }
 		int getVolume() const { return m_volume; }
 		bool getAudioActive() const { return m_audioActive; }
+		bool getAudioStereo() const { return m_audioStereo; }
 
 		static MsgUDPSrcConfigureImmediate* create(
 				bool audioActive,
+				bool audioStereo,
 				int boost,
 				int volume)
 		{
 			return new MsgUDPSrcConfigureImmediate(
 					audioActive,
+					audioStereo,
 					boost,
 					volume);
 		}
@@ -134,13 +138,16 @@ protected:
 		int m_boost;
 		int m_volume;
 		bool m_audioActive;
+		bool m_audioStereo;
 
 		MsgUDPSrcConfigureImmediate(
 				bool audioActive,
+				bool audioStereo,
 				int boost,
 				int volume) :
 			Message(),
 			m_audioActive(audioActive),
+			m_audioStereo(audioStereo),
 			m_boost(boost),
 			m_volume(volume)
 		{ }
diff --git a/plugins/channel/udpsrc/udpsrcgui.cpp b/plugins/channel/udpsrc/udpsrcgui.cpp
index 61d855cac..292d670f8 100644
--- a/plugins/channel/udpsrc/udpsrcgui.cpp
+++ b/plugins/channel/udpsrc/udpsrcgui.cpp
@@ -58,6 +58,7 @@ void UDPSrcGUI::resetToDefaults()
 	ui->boost->setValue(1);
 	ui->volume->setValue(20);
 	ui->audioActive->setChecked(false);
+	ui->audioStereo->setChecked(false);
 
 	blockApplySettings(false);
 	applySettingsImmediate();
@@ -80,6 +81,7 @@ QByteArray UDPSrcGUI::serialize() const
 	s.writeBool(11, m_audioActive);
 	s.writeS32(12, (qint32)m_volume);
 	s.writeS32(13, m_audioPort);
+	s.writeBool(14, m_audioStereo);
 	return s.final();
 }
 
@@ -143,6 +145,8 @@ bool UDPSrcGUI::deserialize(const QByteArray& data)
 		ui->volume->setValue(s32tmp);
 		d.readS32(13, &s32tmp, 9998);
 		ui->audioPort->setText(QString("%1").arg(s32tmp));
+		d.readBool(14, &booltmp, false);
+		ui->audioStereo->setChecked(booltmp);
         
 		blockApplySettings(false);
 		m_channelMarker.blockSignals(false);
@@ -247,11 +251,13 @@ void UDPSrcGUI::applySettingsImmediate()
 	if (m_doApplySettings)
 	{
 		m_audioActive = ui->audioActive->isChecked();
+		m_audioStereo = ui->audioStereo->isChecked();
 		m_boost = ui->boost->value();
 		m_volume = ui->volume->value();
 
 		m_udpSrc->configureImmediate(m_udpSrc->getInputMessageQueue(),
 			m_audioActive,
+		    m_audioStereo,
 			m_boost,
 			m_volume);
 	}
@@ -406,6 +412,11 @@ void UDPSrcGUI::on_audioActive_toggled(bool active)
 	applySettingsImmediate();
 }
 
+void UDPSrcGUI::on_audioStereo_toggled(bool stereo)
+{
+	applySettingsImmediate();
+}
+
 void UDPSrcGUI::on_boost_valueChanged(int value)
 {
 	ui->boost->setValue(value);
diff --git a/plugins/channel/udpsrc/udpsrcgui.h b/plugins/channel/udpsrc/udpsrcgui.h
index 8971de9e2..8fe04c0f6 100644
--- a/plugins/channel/udpsrc/udpsrcgui.h
+++ b/plugins/channel/udpsrc/udpsrcgui.h
@@ -48,6 +48,7 @@ private slots:
 	void on_udpPort_textEdited(const QString& arg1);
 	void on_audioPort_textEdited(const QString& arg1);
 	void on_audioActive_toggled(bool active);
+	void on_audioStereo_toggled(bool stereo);
 	void on_applyBtn_clicked();
 	void onWidgetRolled(QWidget* widget, bool rollDown);
 	void onMenuDoubleClicked();
@@ -68,6 +69,7 @@ private:
 	Real m_rfBandwidth;
 	int m_boost;
 	bool m_audioActive;
+	bool m_audioStereo;
 	int m_volume;
 	QString m_udpAddress;
 	int m_udpPort;
diff --git a/plugins/channel/udpsrc/udpsrcgui.ui b/plugins/channel/udpsrc/udpsrcgui.ui
index 57e1d3f7b..abe8589b8 100644
--- a/plugins/channel/udpsrc/udpsrcgui.ui
+++ b/plugins/channel/udpsrc/udpsrcgui.ui
@@ -354,6 +354,24 @@
         </property>
        </widget>
       </item>
+      <item>
+       <widget class="QToolButton" name="audioStereo">
+        <property name="toolTip">
+         <string>Toggle mono/stereo audio input</string>
+        </property>
+        <property name="text">
+         <string>...</string>
+        </property>
+        <property name="icon">
+         <iconset resource="../../../sdrbase/resources/res.qrc">
+          <normaloff>:/mono.png</normaloff>
+          <normalon>:/stereo.png</normalon>:/mono.png</iconset>
+        </property>
+        <property name="checkable">
+         <bool>true</bool>
+        </property>
+       </widget>
+      </item>
      </layout>
     </item>
     <item row="5" column="1">
@@ -371,6 +389,9 @@
       <property name="enabled">
        <bool>false</bool>
       </property>
+      <property name="toolTip">
+       <string>Apply text input and/or samples format</string>
+      </property>
       <property name="text">
        <string>Apply</string>
       </property>