diff --git a/firmware/code/run.c b/firmware/code/run.c
index 8e22f70..67649e6 100644
--- a/firmware/code/run.c
+++ b/firmware/code/run.c
@@ -146,14 +146,6 @@ static void __no_inline_not_in_flash_func(_as_audio_packet)(struct usb_endpoint
     // Signal to core 1 that we have processed our samples, so it can write to I2S
     multicore_fifo_push_blocking(CORE0_READY);
 
-    // Update the volume if required. We do this from core1 as
-    // core0 is more heavily loaded, doing this from core0 can
-    // lead to audio crackling.
-    update_volume();
-
-    // Update filters if required
-    apply_config_changes();
-
     // keep on truckin'
     usb_grow_transfer(ep->current_transfer, 1);
     usb_packet_done(ep);
@@ -162,6 +154,7 @@ static void __no_inline_not_in_flash_func(_as_audio_packet)(struct usb_endpoint
 void __no_inline_not_in_flash_func(core1_entry)() {
     uint8_t *userbuf = (uint8_t *) multicore_fifo_pop_blocking();
     int32_t *out = (int32_t *) userbuf;
+    int limit_counter = 100;
 
     // Signal that the thread has started
     multicore_fifo_push_blocking(CORE1_READY);
@@ -190,8 +183,21 @@ void __no_inline_not_in_flash_func(core1_entry)() {
             out[i] = (int32_t) norm_fix3_28_to_s16sample(x_f16);
         }
 
-        // Wait for Core 0 to finish running its filtering before we write to I2S
-        multicore_fifo_pop_blocking();
+        // Update the volume and filter configs if required. We do this from
+        // core1 as core0 is more heavily loaded, doing this from core0 can
+        // lead to audio crackling.
+        // Use of a counter reduces the amount of crackling when changing
+        // volume.
+        if (limit_counter != 0)
+            limit_counter--;
+        else {
+            limit_counter = 100;
+            update_volume();
+            apply_config_changes();
+        }
+
+        // Signal to core 0 that the data has all been transformed
+        multicore_fifo_push_blocking(CORE1_READY);
 
         i2s_stream_write(&i2s_write_obj, userbuf, samples * 4);
     }