diff --git a/Source/CommonPluginProcessor.cpp b/Source/CommonPluginProcessor.cpp
index fe95c5c..7d93fc4 100644
--- a/Source/CommonPluginProcessor.cpp
+++ b/Source/CommonPluginProcessor.cpp
@@ -12,10 +12,9 @@
 #include "components/AudioPlayerComponent.h"
 
 //==============================================================================
-CommonAudioProcessor::CommonAudioProcessor()
+CommonAudioProcessor::CommonAudioProcessor(const BusesProperties& busesProperties)
 #ifndef JucePlugin_PreferredChannelConfigurations
-     : AudioProcessor (BusesProperties().withInput("Input", juce::AudioChannelSet::namedChannelSet(4), true)
-                                        .withOutput("Output", juce::AudioChannelSet::stereo(), true))
+     : AudioProcessor(busesProperties)
 #endif
 {
     // locking isn't necessary here because we are in the constructor
diff --git a/Source/CommonPluginProcessor.h b/Source/CommonPluginProcessor.h
index 0daf153..d85baf5 100644
--- a/Source/CommonPluginProcessor.h
+++ b/Source/CommonPluginProcessor.h
@@ -25,7 +25,7 @@ class CommonAudioProcessor  : public juce::AudioProcessor, public SampleRateMana
                             #endif
 {
 public:
-    CommonAudioProcessor();
+    CommonAudioProcessor(const BusesProperties& busesProperties);
     ~CommonAudioProcessor() override;
 
     void addAllParameters();
diff --git a/Source/PluginProcessor.cpp b/Source/PluginProcessor.cpp
index 4ed2db7..e1b63a7 100644
--- a/Source/PluginProcessor.cpp
+++ b/Source/PluginProcessor.cpp
@@ -18,7 +18,7 @@
 #include "audio/EffectParameter.h"
 
 //==============================================================================
-OscirenderAudioProcessor::OscirenderAudioProcessor() {
+OscirenderAudioProcessor::OscirenderAudioProcessor() : CommonAudioProcessor(BusesProperties().withInput("Input", juce::AudioChannelSet::namedChannelSet(2), true).withOutput("Output", juce::AudioChannelSet::stereo(), true)) {
     // locking isn't necessary here because we are in the constructor
 
     toggleableEffects.push_back(std::make_shared<Effect>(
diff --git a/Source/SosciPluginProcessor.cpp b/Source/SosciPluginProcessor.cpp
index 05477d5..7e5d376 100644
--- a/Source/SosciPluginProcessor.cpp
+++ b/Source/SosciPluginProcessor.cpp
@@ -2,7 +2,7 @@
 #include "SosciPluginEditor.h"
 #include "audio/EffectParameter.h"
 
-SosciAudioProcessor::SosciAudioProcessor() {
+SosciAudioProcessor::SosciAudioProcessor() : CommonAudioProcessor(BusesProperties().withInput("Input", juce::AudioChannelSet::namedChannelSet(4), true).withOutput("Output", juce::AudioChannelSet::stereo(), true)) {
     // demo audio file on standalone only
     if (juce::JUCEApplicationBase::isStandaloneApp()) {
         std::unique_ptr<juce::InputStream> stream = std::make_unique<juce::MemoryInputStream>(BinaryData::sosci_flac, BinaryData::sosci_flacSize, false);