--- a/snd.py
+++ b/snd.py
@@ -126,7 +126,7 @@
     data = pack('<' + ('h'*len(data)), *data)
 
     wf = wave.open(path, 'wb')
-    wf.setnchannels(1)
+    wf.setnchannels(CHANNELS)
     wf.setsampwidth(sample_width)
     wf.setframerate(RATE)
     wf.writeframes(data)