diff --git a/busch_radio_spotify/config.yaml b/busch_radio_spotify/config.yaml
index 7eddac1..3e5e506 100644
--- a/busch_radio_spotify/config.yaml
+++ b/busch_radio_spotify/config.yaml
@@ -5,7 +5,7 @@ slug: busch_radio_spotify
 description: >
   Streamt Spotify-Musik als Internet-Radio-Stream für das Busch-Jäger Unterputz-Internetradio.
   Das Add-on erzeugt ein virtuelles Spotify Connect-Gerät (via librespot) und stellt das Audio
-  als MP3-Stream über Icecast bereit.
+  als MP3- oder AAC-Stream über Icecast bereit.
 url: "https://gitea.bitfire.work/retr0/Busch-Radio-Spotify"
 arch:
   - aarch64
@@ -22,14 +22,16 @@ host_network: true
 # ---- Konfigurationsoptionen ----
 options:
   device_name: "Busch-Radio"
-  bitrate: 320
+  bitrate: 160
+  stream_format: "mp3"
   stream_port: 8000
-  stream_mount: "/stream.mp3"
+  stream_mount: "/stream"
   icecast_password: "busch-radio-geheim"
 
 schema:
   device_name: str
-  bitrate: "list(96|160|320)"
+  bitrate: "list(96|128|160|192)"
+  stream_format: "list(mp3|aac)"
   stream_port: port
   stream_mount: str
   icecast_password: str
diff --git a/busch_radio_spotify/run.sh b/busch_radio_spotify/run.sh
index fb37ef9..e04f67d 100644
--- a/busch_radio_spotify/run.sh
+++ b/busch_radio_spotify/run.sh
@@ -15,15 +15,28 @@ set -u
 # ── Konfiguration lesen ───────────────────────────────────────────────────────
 DEVICE_NAME=$(bashio::config 'device_name')
 BITRATE=$(bashio::config 'bitrate')
+STREAM_FORMAT=$(bashio::config 'stream_format')
 STREAM_PORT=$(bashio::config 'stream_port')
 STREAM_MOUNT=$(bashio::config 'stream_mount')
 ICECAST_PASSWORD=$(bashio::config 'icecast_password')
 
+# ── Format-spezifische Einstellungen ──────────────────────────────────────────
+if [ "${STREAM_FORMAT}" = "aac" ]; then
+    FFMPEG_CODEC="aac"
+    FFMPEG_FORMAT="adts"
+    ICECAST_MIME="audio/aac"
+else
+    FFMPEG_CODEC="libmp3lame"
+    FFMPEG_FORMAT="mp3"
+    ICECAST_MIME="audio/mpeg"
+fi
+
 bashio::log.info "╔══════════════════════════════════════════════╗"
-bashio::log.info "║     Busch-Radio Spotify Bridge v1.0.0       ║"
+bashio::log.info "║     Busch-Radio Spotify Bridge v1.0.9       ║"
 bashio::log.info "╚══════════════════════════════════════════════╝"
 bashio::log.info "Gerätename   : ${DEVICE_NAME}"
 bashio::log.info "Bitrate      : ${BITRATE} kbps"
+bashio::log.info "Format       : ${STREAM_FORMAT}"
 bashio::log.info "Stream-Port  : ${STREAM_PORT}"
 bashio::log.info "Stream-Pfad  : ${STREAM_MOUNT}"
 
@@ -88,7 +101,7 @@ cat > /tmp/busch-radio/icecast.xml <<ICECAST_EOF
     <stream-name>Busch-Radio Spotify Bridge</stream-name>
     <stream-description>Spotify via Home Assistant</stream-description>
     <bitrate>${BITRATE}</bitrate>
-    <type>audio/mpeg</type>
+    <type>${ICECAST_MIME}</type>
   </mount>
 
   <fileserve>1</fileserve>
@@ -199,7 +212,7 @@ ICECAST_SOURCE_URL="icecast://source:${ICECAST_PASSWORD}@localhost:${STREAM_PORT
 # ── Stream-URL ausgeben ───────────────────────────────────────────────────────
 bashio::log.info "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
 bashio::log.info "Stream-URL für das Busch-Jäger Radio:"
-bashio::log.info "  http://<homeassistant-ip>:${STREAM_PORT}${STREAM_MOUNT}"
+bashio::log.info "  http://${HA_IP}:${STREAM_PORT}${STREAM_MOUNT}"
 bashio::log.info ""
 bashio::log.info "Icecast-Statusseite:"
 bashio::log.info "  http://<homeassistant-ip>:${STREAM_PORT}"
@@ -239,10 +252,9 @@ while true; do
             -loglevel warning \
             -f s16le -ar 44100 -ac 2 \
             -i pipe:0 \
-            -codec:a libmp3lame \
+            -codec:a "${FFMPEG_CODEC}" \
             -b:a "${BITRATE}k" \
-            -q:a 2 \
-            -f mp3 \
+            -f "${FFMPEG_FORMAT}" \
             "${ICECAST_SOURCE_URL}" \
         || true