diff --git a/ProjectObsidian/ProtoFlux/Audio/AudioAdder.cs b/ProjectObsidian/ProtoFlux/Audio/AudioAdder.cs
index 7ed9c25..6c9e1d1 100644
--- a/ProjectObsidian/ProtoFlux/Audio/AudioAdder.cs
+++ b/ProjectObsidian/ProtoFlux/Audio/AudioAdder.cs
@@ -17,7 +17,7 @@ public class AudioAdderProxy : ProtoFluxEngineProxy, IAudioSource
 
         public bool IsActive => Active;
 
-        public int ChannelCount => AudioInput.ChannelCount;
+        public int ChannelCount => AudioInput?.ChannelCount ?? 0;
 
         public void Read<S>(Span<S> buffer) where S : unmanaged, IAudioSample<S>
         {
diff --git a/ProjectObsidian/ProtoFlux/Audio/AudioMultiply.cs b/ProjectObsidian/ProtoFlux/Audio/AudioMultiply.cs
index cb5c57d..9d6f0d1 100644
--- a/ProjectObsidian/ProtoFlux/Audio/AudioMultiply.cs
+++ b/ProjectObsidian/ProtoFlux/Audio/AudioMultiply.cs
@@ -17,7 +17,7 @@ public class AudioMultiplyProxy : ProtoFluxEngineProxy, IAudioSource
 
         public bool IsActive => Active;
 
-        public int ChannelCount => AudioInput.ChannelCount;
+        public int ChannelCount => AudioInput?.ChannelCount ?? 0;
 
         public void Read<S>(Span<S> buffer) where S : unmanaged, IAudioSample<S>
         {
diff --git a/ProjectObsidian/ProtoFlux/Audio/AudioSubtractor.cs b/ProjectObsidian/ProtoFlux/Audio/AudioSubtractor.cs
index 112e452..86f9ba5 100644
--- a/ProjectObsidian/ProtoFlux/Audio/AudioSubtractor.cs
+++ b/ProjectObsidian/ProtoFlux/Audio/AudioSubtractor.cs
@@ -17,7 +17,7 @@ public class AudioSubtractorProxy : ProtoFluxEngineProxy, IAudioSource
 
         public bool IsActive => Active;
 
-        public int ChannelCount => AudioInput.ChannelCount;
+        public int ChannelCount => AudioInput?.ChannelCount ?? 0;
 
         public void Read<S>(Span<S> buffer) where S : unmanaged, IAudioSample<S>
         {
diff --git a/ProjectObsidian/ProtoFlux/Audio/BandPassFilterNode.cs b/ProjectObsidian/ProtoFlux/Audio/BandPassFilterNode.cs
index 4edeb13..b09e85b 100644
--- a/ProjectObsidian/ProtoFlux/Audio/BandPassFilterNode.cs
+++ b/ProjectObsidian/ProtoFlux/Audio/BandPassFilterNode.cs
@@ -22,7 +22,7 @@ public class BandPassFilterProxy : ProtoFluxEngineProxy, IAudioSource
 
         public bool IsActive => Active;
 
-        public int ChannelCount => AudioInput.ChannelCount;
+        public int ChannelCount => AudioInput?.ChannelCount ?? 0;
 
         private BandPassFilterController _controller = new();
 
diff --git a/ProjectObsidian/ProtoFlux/Audio/ButterworthFilterNode.cs b/ProjectObsidian/ProtoFlux/Audio/ButterworthFilterNode.cs
index ac7016d..a93e49d 100644
--- a/ProjectObsidian/ProtoFlux/Audio/ButterworthFilterNode.cs
+++ b/ProjectObsidian/ProtoFlux/Audio/ButterworthFilterNode.cs
@@ -22,7 +22,7 @@ public class ButterworthFilterProxy : ProtoFluxEngineProxy, IAudioSource
 
         public bool IsActive => Active;
 
-        public int ChannelCount => AudioInput.ChannelCount;
+        public int ChannelCount => AudioInput?.ChannelCount ?? 0;
 
         private ButterworthFilterController _controller = new();
 
diff --git a/ProjectObsidian/ProtoFlux/Audio/EMA_IIR_SmoothSignalNode.cs b/ProjectObsidian/ProtoFlux/Audio/EMA_IIR_SmoothSignalNode.cs
index 29820aa..6a30eb9 100644
--- a/ProjectObsidian/ProtoFlux/Audio/EMA_IIR_SmoothSignalNode.cs
+++ b/ProjectObsidian/ProtoFlux/Audio/EMA_IIR_SmoothSignalNode.cs
@@ -18,7 +18,7 @@ public class EMA_IIR_SmoothSignalProxy : ProtoFluxEngineProxy, IAudioSource
 
         public bool IsActive => Active;
 
-        public int ChannelCount => AudioInput.ChannelCount;
+        public int ChannelCount => AudioInput?.ChannelCount ?? 0;
 
         public void Read<S>(Span<S> buffer) where S : unmanaged, IAudioSample<S>
         {
diff --git a/ProjectObsidian/ProtoFlux/Audio/PhaseModulatorNode.cs b/ProjectObsidian/ProtoFlux/Audio/PhaseModulatorNode.cs
index e0e48f0..ab13cdc 100644
--- a/ProjectObsidian/ProtoFlux/Audio/PhaseModulatorNode.cs
+++ b/ProjectObsidian/ProtoFlux/Audio/PhaseModulatorNode.cs
@@ -21,7 +21,7 @@ public class PhaseModulatorProxy : ProtoFluxEngineProxy, IAudioSource
 
         public bool IsActive => Active;
 
-        public int ChannelCount => MathX.Min(AudioInput.ChannelCount, AudioInput2.ChannelCount);
+        public int ChannelCount => MathX.Min(AudioInput?.ChannelCount ?? 0, AudioInput2?.ChannelCount ?? 0);
 
         public void Read<S>(Span<S> buffer) where S : unmanaged, IAudioSample<S>
         {
diff --git a/ProjectObsidian/ProtoFlux/Audio/RingModulatorNode.cs b/ProjectObsidian/ProtoFlux/Audio/RingModulatorNode.cs
index c2f23e6..8b9e05c 100644
--- a/ProjectObsidian/ProtoFlux/Audio/RingModulatorNode.cs
+++ b/ProjectObsidian/ProtoFlux/Audio/RingModulatorNode.cs
@@ -22,7 +22,7 @@ public class RingModulatorProxy : ProtoFluxEngineProxy, IAudioSource
 
         public bool IsActive => Active;
 
-        public int ChannelCount => MathX.Min(AudioInput.ChannelCount, AudioInput2.ChannelCount);
+        public int ChannelCount => MathX.Min(AudioInput?.ChannelCount ?? 0, AudioInput2?.ChannelCount ?? 0);
 
         public void Read<S>(Span<S> buffer) where S : unmanaged, IAudioSample<S>
         {
diff --git a/ProjectObsidian/ProtoFlux/Audio/SineShapedRingModulatorNode.cs b/ProjectObsidian/ProtoFlux/Audio/SineShapedRingModulatorNode.cs
index 8df9049..0a12183 100644
--- a/ProjectObsidian/ProtoFlux/Audio/SineShapedRingModulatorNode.cs
+++ b/ProjectObsidian/ProtoFlux/Audio/SineShapedRingModulatorNode.cs
@@ -21,7 +21,7 @@ public class SineShapedRingModulatorProxy : ProtoFluxEngineProxy, IAudioSource
 
         public bool IsActive => Active;
 
-        public int ChannelCount => MathX.Min(AudioInput.ChannelCount, AudioInput2.ChannelCount);
+        public int ChannelCount => MathX.Min(AudioInput?.ChannelCount ?? 0, AudioInput2?.ChannelCount ?? 0);
 
         public void Read<S>(Span<S> buffer) where S : unmanaged, IAudioSample<S>
         {