diff --git a/src/main/java/io/github/dsheirer/source/tuner/rtl/RTL2832TunerController.java b/src/main/java/io/github/dsheirer/source/tuner/rtl/RTL2832TunerController.java
index 95fe2445..aabab31b 100644
--- a/src/main/java/io/github/dsheirer/source/tuner/rtl/RTL2832TunerController.java
+++ b/src/main/java/io/github/dsheirer/source/tuner/rtl/RTL2832TunerController.java
@@ -52,7 +52,8 @@ public abstract class RTL2832TunerController extends USBTunerController
 
     public final static int TWO_TO_22_POWER = 4194304;
 
-    public final static int USB_TRANSFER_BUFFER_SIZE = 131072;
+    public final static int USB_TRANSFER_BUFFER_SIZE_HIGH_SAMPLE_RATE = 131072;
+    public final static int USB_TRANSFER_BUFFER_SIZE_LOW_SAMPLE_RATE = 32768;
     public final static byte USB_INTERFACE = (byte) 0x0;
     public final static byte CONTROL_ENDPOINT_IN = (byte) (LibUsb.ENDPOINT_IN | LibUsb.REQUEST_TYPE_VENDOR);
     public final static byte CONTROL_ENDPOINT_OUT = (byte) (LibUsb.ENDPOINT_OUT | LibUsb.REQUEST_TYPE_VENDOR);
@@ -155,7 +156,7 @@ public abstract class RTL2832TunerController extends USBTunerController
         String deviceName = getTunerType().getLabel() + " " + getUniqueID();
 
         mUSBTransferProcessor = new RTL2832USBTransferProcessor(deviceName, mDeviceHandle, mNativeBufferConverter,
-            USB_TRANSFER_BUFFER_SIZE);
+            USB_TRANSFER_BUFFER_SIZE_HIGH_SAMPLE_RATE);
     }
 
     @Override
@@ -985,6 +986,18 @@ public abstract class RTL2832TunerController extends USBTunerController
         mSampleRate = sampleRate;
 
         mFrequencyController.setSampleRate(sampleRate.getRate());
+
+        if(mUSBTransferProcessor != null)
+        {
+            if(sampleRate.getRate() > 300000)
+            {
+                mUSBTransferProcessor.setBufferSize(USB_TRANSFER_BUFFER_SIZE_HIGH_SAMPLE_RATE);
+            }
+            else
+            {
+                mUSBTransferProcessor.setBufferSize(USB_TRANSFER_BUFFER_SIZE_LOW_SAMPLE_RATE);
+            }
+        }
     }
 
     public void setSampleRateFrequencyCorrection(int ppm) throws SourceException
diff --git a/src/main/java/io/github/dsheirer/source/tuner/rtl/e4k/E4KTunerController.java b/src/main/java/io/github/dsheirer/source/tuner/rtl/e4k/E4KTunerController.java
index 15436911..698d73b7 100644
--- a/src/main/java/io/github/dsheirer/source/tuner/rtl/e4k/E4KTunerController.java
+++ b/src/main/java/io/github/dsheirer/source/tuner/rtl/e4k/E4KTunerController.java
@@ -253,7 +253,7 @@ public class E4KTunerController extends RTL2832TunerController
         String deviceName = getTunerType().getLabel() + " " + getUniqueID();
 
         mUSBTransferProcessor = new RTL2832USBTransferProcessor(deviceName, mDeviceHandle, mNativeBufferConverter,
-            USB_TRANSFER_BUFFER_SIZE);
+            USB_TRANSFER_BUFFER_SIZE_HIGH_SAMPLE_RATE);
     }
 
     @Override
diff --git a/src/main/java/io/github/dsheirer/source/tuner/usb/USBTransferProcessor.java b/src/main/java/io/github/dsheirer/source/tuner/usb/USBTransferProcessor.java
index 55a09d1c..7de259f8 100644
--- a/src/main/java/io/github/dsheirer/source/tuner/usb/USBTransferProcessor.java
+++ b/src/main/java/io/github/dsheirer/source/tuner/usb/USBTransferProcessor.java
@@ -86,6 +86,32 @@ public class USBTransferProcessor implements TransferCallback
         mBufferSize = bufferSize;
     }
 
+    /**
+     * Modifies the usb transfer buffer size used for transfering native byte buffers from the
+     * USB device.  Note: changing the buffer size while the transfer processor is running causes
+     * the transfer to stop momentarily while the existing buffers are destroyed and new buffers
+     * with the correct size are recreated.
+     *
+     * Note: this method is not thread safe.  Ensure that no other threads invoke stop() or start()
+     * while a buffer size change is in progress.
+     *
+     * @param bufferSize to use for native usb buffer transfers
+     */
+    public void setBufferSize(int bufferSize)
+    {
+        if(bufferSize % 2 == 1)
+        {
+            throw new IllegalArgumentException("Buffer size must be a multiple of 2 for complex samples");
+        }
+
+        if(mBufferSize != bufferSize)
+        {
+            stop();
+            mBufferSize = bufferSize;
+            start();
+        }
+    }
+
     /**
      * Start USB transfer buffer processing.  Subsequent calls to this method after started will be ignored.
      */