diff --git a/revid/senders.go b/revid/senders.go
index 5c63de75..c2ee641c 100644
--- a/revid/senders.go
+++ b/revid/senders.go
@@ -95,17 +95,22 @@ func (s *httpSender) Write(d []byte) (int, error) {
 func (s *httpSender) Close() error { return nil }
 
 func httpSend(d []byte, client *netsender.Sender, log func(lvl int8, msg string, args ...interface{})) error {
-	// Only send if "V0" is configured as an input.
+	// Only send if "V0" or "S0" are configured as input.
 	send := false
 	ip := client.Param("ip")
 	log(logger.Debug, "making pins, and sending recv request", "ip", ip)
-	pins := netsender.MakePins(ip, "V")
+	pins := netsender.MakePins(ip, "V,S")
 	for i, pin := range pins {
-		if pin.Name == "V0" {
-			send = true
+		if pin.Name == "V0" || pin.Name == "S0" {
+			switch pin.Name {
+			case "V0":
+				pins[i].MimeType = "video/mp2t"
+			case "S0":
+				pins[i].MimeType = "audio/x-wav"
+			}
 			pins[i].Value = len(d)
 			pins[i].Data = d
-			pins[i].MimeType = "video/mp2t"
+			send = true
 			break
 		}
 	}