diff --git a/MicroDexed.ino b/MicroDexed.ino
index a20b028..f7cd558 100644
--- a/MicroDexed.ino
+++ b/MicroDexed.ino
@@ -96,13 +96,9 @@ AudioMixer<4>                     audio_thru_mixer_l;
 #if NUM_DRUMS > 0
 //AudioPlayMemory*                Drum[NUM_DRUMS];
 AudioPlayArrayResmp*            Drum[NUM_DRUMS];
-#if NUM_DRUMS < 5
-AudioMixer<4>                     drum_mixer_r;
-AudioMixer<4>                     drum_mixer_l;
-#else
-AudioMixer<8>                     drum_mixer_r;
-AudioMixer<8>                     drum_mixer_l;
-#endif
+AudioMixer<NUM_DRUMS>                     drum_mixer_r;
+AudioMixer<NUM_DRUMS>                     drum_mixer_l;
+
 #ifdef USE_FX
 #if NUM_DRUMS < 5
 AudioMixer<4>                     drum_reverb_send_mixer_r;
@@ -1916,6 +1912,14 @@ void check_configuration_fx(void)
     configuration.fx.delay_sync[instance_id] = constrain(configuration.fx.delay_sync[instance_id], DELAY_SYNC_MIN, DELAY_SYNC_MAX);
     configuration.fx.reverb_send[instance_id] = constrain(configuration.fx.reverb_send[instance_id], REVERB_SEND_MIN, REVERB_SEND_MAX);
   }
+
+  configuration.fx.eq_1 = constrain(configuration.fx.eq_1, EQ_1_MIN, EQ_1_MAX);
+  configuration.fx.eq_2 = constrain(configuration.fx.eq_2, EQ_2_MIN, EQ_2_MAX);
+  configuration.fx.eq_3 = constrain(configuration.fx.eq_3, EQ_3_MIN, EQ_3_MAX);
+  configuration.fx.eq_4 = constrain(configuration.fx.eq_4, EQ_4_MIN, EQ_4_MAX);
+  configuration.fx.eq_5 = constrain(configuration.fx.eq_5, EQ_5_MIN, EQ_5_MAX);
+  configuration.fx.eq_6 = constrain(configuration.fx.eq_6, EQ_6_MIN, EQ_6_MAX);
+  configuration.fx.eq_7 = constrain(configuration.fx.eq_7, EQ_7_MIN, EQ_7_MAX);
 }
 
 void check_configuration_performance(void)