diff --git a/reactos/drivers/ksfilter/ks/connectivity.c b/reactos/drivers/ksfilter/ks/connectivity.c
index e7c1e49bff4..d2744ff76a8 100644
--- a/reactos/drivers/ksfilter/ks/connectivity.c
+++ b/reactos/drivers/ksfilter/ks/connectivity.c
@@ -114,17 +114,12 @@ KsPinPropertyHandler(
     PIO_STACK_LOCATION IoStack;
     ULONG Size, Index;
     PVOID Buffer;
+    PKSDATARANGE_AUDIO *WaveFormatOut;
+    PKSDATAFORMAT_WAVEFORMATEX WaveFormatIn;
 
     IoStack = IoGetCurrentIrpStackLocation(Irp);
     Buffer = Irp->UserBuffer;
 
-    if (Property->Flags != KSPROPERTY_TYPE_GET)
-    {
-        Irp->IoStatus.Status = STATUS_NOT_IMPLEMENTED;
-        Irp->IoStatus.Information = 0;
-        return STATUS_NOT_IMPLEMENTED;
-    }
-
     switch(Property->Id)
     {
         case KSPROPERTY_PIN_CTYPES:
@@ -306,6 +301,65 @@ KsPinPropertyHandler(
             Irp->IoStatus.Status = STATUS_SUCCESS;
             Irp->IoStatus.Information = Size;
             break;
+        case KSPROPERTY_PIN_PROPOSEDATAFORMAT:
+            Pin = (KSP_PIN*)Property;
+            if (Pin->PinId >= DescriptorsCount)
+            {
+                Irp->IoStatus.Status = STATUS_INVALID_PARAMETER;
+                Irp->IoStatus.Information = 0;
+                break;
+            }
+            Size = sizeof(KSDATAFORMAT);
+            if (IoStack->Parameters.DeviceIoControl.OutputBufferLength < Size)
+            {
+                Irp->IoStatus.Information = Size;
+                Irp->IoStatus.Status = STATUS_BUFFER_TOO_SMALL;
+                break;
+            }
+            if (IoStack->Parameters.DeviceIoControl.OutputBufferLength != sizeof(KSDATAFORMAT_WAVEFORMATEX))
+            {
+                UNIMPLEMENTED
+                Irp->IoStatus.Status = STATUS_NOT_IMPLEMENTED;
+                Irp->IoStatus.Information = 0;
+                return STATUS_NOT_IMPLEMENTED;
+            }
+
+            WaveFormatIn = (PKSDATAFORMAT_WAVEFORMATEX)Buffer;
+            if (!Descriptor[Pin->PinId].DataRanges || !Descriptor[Pin->PinId].DataRangesCount)
+            {
+                Irp->IoStatus.Status = STATUS_UNSUCCESSFUL;
+                Irp->IoStatus.Information = 0;
+                return STATUS_UNSUCCESSFUL;
+            }
+            WaveFormatOut = (PKSDATARANGE_AUDIO*)Descriptor[Pin->PinId].DataRanges;
+            for(Index = 0; Index < Descriptor[Pin->PinId].DataRangesCount; Index++)
+            {
+                if (WaveFormatOut[Index]->DataRange.FormatSize != sizeof(KSDATARANGE_AUDIO))
+                {
+                    UNIMPLEMENTED
+                    continue;
+                }
+
+                if (WaveFormatOut[Index]->MinimumSampleFrequency > WaveFormatIn->WaveFormatEx.nSamplesPerSec ||
+                    WaveFormatOut[Index]->MaximumSampleFrequency < WaveFormatIn->WaveFormatEx.nSamplesPerSec ||
+                    WaveFormatOut[Index]->MinimumBitsPerSample > WaveFormatIn->WaveFormatEx.wBitsPerSample ||
+                    WaveFormatOut[Index]->MaximumBitsPerSample < WaveFormatIn->WaveFormatEx.wBitsPerSample ||
+                    WaveFormatOut[Index]->MaximumChannels < WaveFormatIn->WaveFormatEx.nChannels)
+                {
+                    Irp->IoStatus.Status = STATUS_NO_MATCH;
+                    Irp->IoStatus.Information = 0;
+                    return STATUS_NO_MATCH;
+                }
+                else
+                {
+                    Irp->IoStatus.Status = STATUS_SUCCESS;
+                    Irp->IoStatus.Information = 0;
+                    return STATUS_SUCCESS;
+                }
+            }
+            Irp->IoStatus.Status = STATUS_NO_MATCH;
+            Irp->IoStatus.Information = 0;
+            return STATUS_NO_MATCH;
         default:
             DPRINT1("Unhandled property request %x\n", Property->Id);
             Irp->IoStatus.Status = STATUS_NOT_IMPLEMENTED;
diff --git a/reactos/drivers/wdm/audio/backpln/portcls/port_wavecyclic.c b/reactos/drivers/wdm/audio/backpln/portcls/port_wavecyclic.c
index 6ca6fd6d302..7fe484702b1 100644
--- a/reactos/drivers/wdm/audio/backpln/portcls/port_wavecyclic.c
+++ b/reactos/drivers/wdm/audio/backpln/portcls/port_wavecyclic.c
@@ -41,7 +41,7 @@ static GUID InterfaceGuids[3] =
 };
 
 DEFINE_KSPROPERTY_TOPOLOGYSET(PortFilterWaveCyclicTopologySet, TopologyPropertyHandler);
-DEFINE_KSPROPERTY_PINSETCONSTRAINED(PortFilterWaveCyclicPinSet, PinPropertyHandler, PinPropertyHandler, PinPropertyHandler);
+DEFINE_KSPROPERTY_PINPROPOSEDATAFORMAT(PortFilterWaveCyclicPinSet, PinPropertyHandler, PinPropertyHandler, PinPropertyHandler);
 
 KSPROPERTY_SET WaveCyclicPropertySet[] =
 {
diff --git a/reactos/drivers/wdm/audio/backpln/portcls/private.h b/reactos/drivers/wdm/audio/backpln/portcls/private.h
index 95db9beb5a8..a3db516ec71 100644
--- a/reactos/drivers/wdm/audio/backpln/portcls/private.h
+++ b/reactos/drivers/wdm/audio/backpln/portcls/private.h
@@ -241,4 +241,22 @@ PDEVICE_OBJECT
 GetDeviceObject(
     IPortWaveCyclic* iface);
 
+
+#define DEFINE_KSPROPERTY_PINPROPOSEDATAFORMAT(PinSet,\
+    PropGeneral, PropInstances, PropIntersection)\
+DEFINE_KSPROPERTY_TABLE(PinSet) {\
+    DEFINE_KSPROPERTY_ITEM_PIN_CINSTANCES(PropInstances),\
+    DEFINE_KSPROPERTY_ITEM_PIN_CTYPES(PropGeneral),\
+    DEFINE_KSPROPERTY_ITEM_PIN_DATAFLOW(PropGeneral),\
+    DEFINE_KSPROPERTY_ITEM_PIN_DATARANGES(PropGeneral),\
+    DEFINE_KSPROPERTY_ITEM_PIN_DATAINTERSECTION(PropIntersection),\
+    DEFINE_KSPROPERTY_ITEM_PIN_INTERFACES(PropGeneral),\
+    DEFINE_KSPROPERTY_ITEM_PIN_MEDIUMS(PropGeneral),\
+    DEFINE_KSPROPERTY_ITEM_PIN_COMMUNICATION(PropGeneral),\
+    DEFINE_KSPROPERTY_ITEM_PIN_CATEGORY(PropGeneral),\
+    DEFINE_KSPROPERTY_ITEM_PIN_NAME(PropGeneral),\
+    DEFINE_KSPROPERTY_ITEM_PIN_CONSTRAINEDDATARANGES(PropGeneral),\
+    DEFINE_KSPROPERTY_ITEM_PIN_PROPOSEDATAFORMAT(PropGeneral)\
+}
+
 #endif
diff --git a/reactos/drivers/wdm/audio/backpln/portcls/propertyhandler.c b/reactos/drivers/wdm/audio/backpln/portcls/propertyhandler.c
index 9ff4eb523fa..72977c8ab1d 100644
--- a/reactos/drivers/wdm/audio/backpln/portcls/propertyhandler.c
+++ b/reactos/drivers/wdm/audio/backpln/portcls/propertyhandler.c
@@ -81,6 +81,7 @@ PinPropertyHandler(
         case KSPROPERTY_PIN_COMMUNICATION:
         case KSPROPERTY_PIN_CATEGORY:
         case KSPROPERTY_PIN_NAME:
+        case KSPROPERTY_PIN_PROPOSEDATAFORMAT:
             Status = KsPinPropertyHandler(Irp, Request, Data, Descriptor->Factory.PinDescriptorCount, Descriptor->Factory.KsPinDescriptor);
             break;
         case KSPROPERTY_PIN_GLOBALCINSTANCES:
@@ -103,7 +104,6 @@ PinPropertyHandler(
             Status = STATUS_NOT_FOUND;
     }
 
-
     return Status;
 }