diff --git a/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/APU.cs b/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/APU.cs
index f45b8719a1..2b755f983c 100644
--- a/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/APU.cs
+++ b/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/APU.cs
@@ -22,11 +22,7 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
 	{
 		public static bool CFG_DECLICK = true;
 
-		public int Square1V = 376;
-		public int Square2V = 376;
-		public int TriangleV = 426;
-		public int NoiseV = 247;
-		public int DMCV = 167;
+		public int m_vol = 1;
 
 		public int dmc_dma_countdown = -1;
 		public bool call_from_write;
@@ -53,11 +49,7 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
 			pulse[1] = new PulseUnit(this, 1);
 			if (old != null)
 			{
-				Square1V = old.Square1V;
-				Square2V = old.Square2V;
-				TriangleV = old.TriangleV;
-				NoiseV = old.NoiseV;
-				DMCV = old.DMCV;
+				m_vol = old.m_vol;
 			}
 		}
 
@@ -1419,7 +1411,7 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
 				float output = pulse_out + tnd_out;
 				// output = output * 2 - 1;
 				// this needs to leave enough headroom for straying DC bias due to the DMC unit getting stuck outputs. smb3 is bad about that. 
-				int mix = (int)(20000 * output);
+				int mix = (int)(20000 * output * (1 + m_vol/5));
 
 				dlist.Add(new Delta(sampleclock, mix - oldmix));
 				oldmix = mix;
diff --git a/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/NES.Core.cs b/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/NES.Core.cs
index bea02f1504..67617348eb 100644
--- a/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/NES.Core.cs
+++ b/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/NES.Core.cs
@@ -62,11 +62,7 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
 		private DisplayType _display_type = DisplayType.NTSC;
 
 		//Sound config
-		public void SetSquare1(int v) { apu.Square1V = v; }
-		public void SetSquare2(int v) { apu.Square2V = v; }
-		public void SetTriangle(int v) { apu.TriangleV = v; }
-		public void SetNoise(int v) { apu.NoiseV = v; }
-		public void SetDMC(int v) { apu.DMCV = v; }
+		public void SetVol1(int v) { apu.m_vol = v; }
 
 		/// <summary>
 		/// for debugging only!
diff --git a/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/NES.ISettable.cs b/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/NES.ISettable.cs
index 784b3b6fa5..40a8878a69 100644
--- a/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/NES.ISettable.cs
+++ b/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/NES.ISettable.cs
@@ -39,11 +39,7 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
 
 			SetPalette(Settings.Palette);
 
-			apu.Square1V = Settings.Square1;
-			apu.Square2V = Settings.Square2;
-			apu.TriangleV = Settings.Triangle;
-			apu.NoiseV = Settings.Noise;
-			apu.DMCV = Settings.DMC;
+			apu.m_vol = Settings.APU_vol;
 
 			return false;
 		}
@@ -157,11 +153,7 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
 
 			public byte[,] Palette;
 
-			public int Square1 = 376;
-			public int Square2 = 376;
-			public int Triangle = 426;
-			public int Noise = 247;
-			public int DMC = 167;
+			public int APU_vol = 1;
 
 			public NESSettings Clone()
 			{