diff --git a/cmd/client/main.go b/cmd/client/main.go
index d9509c0..34229a7 100644
--- a/cmd/client/main.go
+++ b/cmd/client/main.go
@@ -23,40 +23,55 @@ func main() {
     panic(err)
 	}
 
-  playback_device := infos[0]
+  var playback_device *malgo.DeviceInfo = nil
 	for _, info := range infos {
     if info.IsDefault != 0 {
-      playback_device = info
-      break
+      full, err := ctx.DeviceInfo(malgo.Playback, info.ID, malgo.Shared)
+      if err != nil {
+        panic(err)
+      }
+      playback_device = &full
     }
 	}
 
+  if playback_device == nil {
+    panic("No default playback device")
+  }
+
 	infos, err = ctx.Devices(malgo.Capture)
 	if err != nil {
     panic(err)
 	}
 
-  capture_device := infos[0]
+  var capture_device *malgo.DeviceInfo = nil
 	for _, info := range infos {
     if info.IsDefault != 0 {
-        capture_device = info
+      full, err := ctx.DeviceInfo(malgo.Capture, info.ID, malgo.Shared)
+      if err != nil {
+        panic(err)
+      }
+      capture_device = &full
     }
 	}
 
+  if capture_device == nil {
+    panic("No default capture device")
+  }
+
   inDeviceConfig := malgo.DefaultDeviceConfig(malgo.Capture)
-	inDeviceConfig.Capture.Format = malgo.FormatF32
+	inDeviceConfig.Capture.Format = capture_device.Formats[0].Format
 	inDeviceConfig.Capture.Channels = 1
   inDeviceConfig.Capture.DeviceID = capture_device.ID.Pointer()
-	inDeviceConfig.SampleRate = 44100
+	inDeviceConfig.SampleRate = capture_device.Formats[0].SampleRate
   inDeviceConfig.PeriodSizeInFrames = 100
 	inDeviceConfig.Alsa.NoMMap = 1
   inDeviceConfig.Capture.ShareMode = malgo.Shared
 
   outDeviceConfig := malgo.DefaultDeviceConfig(malgo.Playback)
-	outDeviceConfig.Playback.Format = malgo.FormatF32
+	outDeviceConfig.Playback.Format = playback_device.Formats[0].Format
 	outDeviceConfig.Playback.Channels = 1
   outDeviceConfig.Playback.DeviceID = playback_device.ID.Pointer()
-	outDeviceConfig.SampleRate = 44100
+	outDeviceConfig.SampleRate = playback_device.Formats[0].SampleRate
   outDeviceConfig.PeriodSizeInFrames = 100
 	outDeviceConfig.Alsa.NoMMap = 1
   outDeviceConfig.Playback.ShareMode = malgo.Shared
@@ -75,7 +90,7 @@ func main() {
 		Data: onSendFrames,
 	}
 
-  fmt.Printf("Creating playback device %s\n", playback_device)
+  fmt.Printf("Creating playback device %+v\n", playback_device)
   outDevice, err := malgo.InitDevice(ctx.Context, outDeviceConfig, playbackCallbacks)
   if err != nil {
     panic(err)
@@ -104,7 +119,7 @@ func main() {
 		Data: onRecvFrames,
 	}
 
-  fmt.Printf("Creating capture device %s\n", capture_device)
+  fmt.Printf("Creating capture device %+v\n", capture_device)
 	inDevice, err := malgo.InitDevice(ctx.Context, inDeviceConfig, captureCallbacks)
 	if err != nil {
     panic(err)