diff --git a/pkg/config/pipeline.go b/pkg/config/pipeline.go
index 01832520..058e6cd7 100644
--- a/pkg/config/pipeline.go
+++ b/pkg/config/pipeline.go
@@ -82,7 +82,7 @@ type SDKSourceParams struct {
 	TrackKind    string
 	AudioInCodec types.MimeType
 	VideoInCodec types.MimeType
-	AudioTrack   *TrackSource
+	AudioTracks  []*TrackSource
 	VideoTrack   *TrackSource
 }
 
diff --git a/pkg/pipeline/builder/audio.go b/pkg/pipeline/builder/audio.go
index 5517b49e..207a0fc4 100644
--- a/pkg/pipeline/builder/audio.go
+++ b/pkg/pipeline/builder/audio.go
@@ -137,8 +137,8 @@ func (b *AudioBin) buildWebInput() error {
 }
 
 func (b *AudioBin) buildSDKInput() error {
-	if b.conf.AudioTrack != nil {
-		if err := b.addAudioAppSrcBin(b.conf.AudioTrack); err != nil {
+	for _, tr := range b.conf.AudioTracks {
+		if err := b.addAudioAppSrcBin(tr); err != nil {
 			return err
 		}
 	}
diff --git a/pkg/pipeline/source/sdk.go b/pkg/pipeline/source/sdk.go
index fcffefe5..666fda50 100644
--- a/pkg/pipeline/source/sdk.go
+++ b/pkg/pipeline/source/sdk.go
@@ -471,7 +471,7 @@ func (s *SDKSource) onTrackSubscribed(track *webrtc.TrackRemote, pub *lksdk.Remo
 		s.mu.Unlock()
 
 		if !s.initialized.IsBroken() {
-			s.AudioTrack = ts
+			s.AudioTracks = append(s.AudioTracks, ts)
 		}
 
 	case types.MimeTypeH264, types.MimeTypeVP8, types.MimeTypeVP9: