diff --git a/ts3-client/core/src/main/java/com/ts3client/audio/CaptureVoiceInput.java b/ts3-client/core/src/main/java/com/ts3client/audio/CaptureVoiceInput.java
index df08660..584b981 100644
--- a/ts3-client/core/src/main/java/com/ts3client/audio/CaptureVoiceInput.java
+++ b/ts3-client/core/src/main/java/com/ts3client/audio/CaptureVoiceInput.java
@@ -76,7 +76,7 @@ public final class CaptureVoiceInput implements VoiceInput {
 
     private final AudioIo io;
     private final OpusCodec opus;
-    private final String deviceName;
+    private volatile String deviceName;
 
     private final Object encoderLock = new Object();
     private volatile OpusParameters params;
@@ -117,6 +117,17 @@ public final class CaptureVoiceInput implements VoiceInput {
 
     // ---- live configuration (safe to call from the UI thread) ----
 
+    @Override
+    public synchronized void setInputDevice(String deviceId) {
+        String device = deviceId == null ? "" : deviceId;
+        if (device.equals(deviceName)) return;
+        deviceName = device;
+        if (running.get()) {
+            stop();
+            start();
+        }
+    }
+
     public void setMode(Settings.InputMode mode) {
         this.mode = mode;
     }
diff --git a/ts3-client/core/src/main/java/com/ts3client/audio/MixedPlayout.java b/ts3-client/core/src/main/java/com/ts3client/audio/MixedPlayout.java
index fa2ebdb..81ef5c2 100644
--- a/ts3-client/core/src/main/java/com/ts3client/audio/MixedPlayout.java
+++ b/ts3-client/core/src/main/java/com/ts3client/audio/MixedPlayout.java
@@ -66,9 +66,15 @@ final class MixedPlayout implements Playout {
             float[] mix = null;
             float[] scratch = null;
             byte[] out = null;
+            String device = null;
             while (awaitSpeech()) {
+                if (line != null && !device.equals(outputDevice.get())) {
+                    line.close();
+                    line = null;
+                }
                 if (line == null) {
-                    line = io.openPlayback(outputDevice.get(), VoiceFormat.MAX_CHANNELS);
+                    device = outputDevice.get();
+                    line = io.openPlayback(device, VoiceFormat.MAX_CHANNELS);
                     line.start();
                     channels = line.channels();
                     mix = new float[FRAME * channels];
diff --git a/ts3-client/core/src/main/java/com/ts3client/audio/StreamingVoiceOutput.java b/ts3-client/core/src/main/java/com/ts3client/audio/StreamingVoiceOutput.java
index bf69fe9..ff97e80 100644
--- a/ts3-client/core/src/main/java/com/ts3client/audio/StreamingVoiceOutput.java
+++ b/ts3-client/core/src/main/java/com/ts3client/audio/StreamingVoiceOutput.java
@@ -60,7 +60,7 @@ public final class StreamingVoiceOutput implements VoiceOutput {
 
     public StreamingVoiceOutput(AudioIo io, OpusCodec opus, String outputDevice, Lines lines) {
         this.opus = opus;
-        this.outputDevice = outputDevice;
+        this.outputDevice = outputDevice == null ? "" : outputDevice;
         this.playout = switch (lines) {
             case PER_SPEAKER -> new PerSpeakerPlayout(io, () -> this.outputDevice, this::gainFor, clock);
             case SHARED -> new MixedPlayout(io, () -> this.outputDevice, this::gainFor, streams.values());
@@ -137,7 +137,7 @@ public final class StreamingVoiceOutput implements VoiceOutput {
 
     @Override
     public void setOutputDevice(String device) {
-        this.outputDevice = device;
+        this.outputDevice = device == null ? "" : device;
     }
 
     /** Entry point wired into {@code client.setVoiceHandler(...)}. */
diff --git a/ts3-client/core/src/main/java/com/ts3client/audio/VoiceInput.java b/ts3-client/core/src/main/java/com/ts3client/audio/VoiceInput.java
index 48b3fcd..83c963f 100644
--- a/ts3-client/core/src/main/java/com/ts3client/audio/VoiceInput.java
+++ b/ts3-client/core/src/main/java/com/ts3client/audio/VoiceInput.java
@@ -27,6 +27,9 @@ public interface VoiceInput extends Microphone {
 
     boolean isLocalMuted();
 
+    /** Moves capture to another device, reopening at once if capturing; empty is the default. */
+    void setInputDevice(String deviceId);
+
     void setMode(Settings.InputMode mode);
 
     void setVadMode(Settings.VadMode mode);
@@ -80,6 +83,7 @@ public interface VoiceInput extends Microphone {
 
     /** Takes on the voice settings, as they stand now, while capturing. */
     default void apply(Settings settings) {
+        setInputDevice(settings.inputDevice);
         setMode(settings.inputMode);
         setVadMode(settings.vadMode);
         setThresholdDb(settings.vadThresholdDb);