diff --git a/supersensor.yaml b/supersensor.yaml
index f282693..b755fd8 100644
--- a/supersensor.yaml
+++ b/supersensor.yaml
@@ -369,6 +369,12 @@ i2s_audio:
       number: GPIO17 # WS
     i2s_bclk_pin:
       number: GPIO16  # SCK
+  # Dummy I2S audio pipeline for "speaker"
+  - id: i2s_dummy
+    i2s_lrclk_pin:
+      number: GPIO15 # WS
+    i2s_bclk_pin:
+      number: GPIO14  # SCK
 
 microphone:
   - platform: i2s_audio
@@ -379,6 +385,18 @@ microphone:
     pdm: false
     channel: left
 
+speaker:
+  # Dummy speaker to fix home-assistant/core#142363
+  - platform: i2s_audio
+    id: dummy_speaker
+    i2s_audio_id: i2s_dummy
+    i2s_dout_pin: GPIO25
+    dac_type: external
+    bits_per_sample: 16bit
+    sample_rate: 16000
+    channel: mono #mono will have bad performance, however, we are not using the on device speaker
+    buffer_duration: 60ms
+
 micro_wake_word:
   id: mww
   microphone:
@@ -410,6 +428,7 @@ micro_wake_word:
 voice_assistant:
   id: va
   microphone: mic
+  speaker: dummy_speaker
   micro_wake_word: mww
   use_wake_word: false
   noise_suppression_level: 3