diff --git a/panda/src/mpg123/equalizer.c b/panda/src/mpg123/equalizer.c
new file mode 100644
index 0000000000..c6ad1b19dc
--- /dev/null
+++ b/panda/src/mpg123/equalizer.c
@@ -0,0 +1,34 @@
+
+#include "mpg123.h"
+
+real equalizer[2][32];
+real equalizer_sum[2][32];
+int equalizer_cnt;
+
+real equalizerband[2][SBLIMIT*SSLIMIT];
+
+void do_equalizer(real *bandPtr,int channel) 
+{
+	int i;
+
+	if(param.enable_equalizer) {
+		for(i=0;i<32;i++)
+			bandPtr[i] *= equalizer[channel][i];
+	}
+
+/*	if(param.equalizer & 0x2) {
+		
+		for(i=0;i<32;i++)
+			equalizer_sum[channel][i] += bandPtr[i];
+	}
+*/
+}
+
+void do_equalizerband(real *bandPtr,int channel)
+{
+  int i;
+  for(i=0;i<576;i++) {
+    bandPtr[i] *= equalizerband[channel][i];
+  }
+}
+