diff --git a/esphome/components/api/api.proto b/esphome/components/api/api.proto
index 1c40e8014e..a966643d30 100644
--- a/esphome/components/api/api.proto
+++ b/esphome/components/api/api.proto
@@ -1118,6 +1118,7 @@ message MediaPlayerSupportedFormat {
   uint32 sample_rate = 2;
   uint32 num_channels = 3;
   MediaPlayerFormatPurpose purpose = 4;
+  uint32 sample_bytes = 5;
 }
 message ListEntitiesMediaPlayerResponse {
   option (id) = 63;
diff --git a/esphome/components/api/api_connection.cpp b/esphome/components/api/api_connection.cpp
index 6b7051a704..20e9a45314 100644
--- a/esphome/components/api/api_connection.cpp
+++ b/esphome/components/api/api_connection.cpp
@@ -1032,6 +1032,7 @@ bool APIConnection::send_media_player_info(media_player::MediaPlayer *media_play
     media_format.sample_rate = supported_format.sample_rate;
     media_format.num_channels = supported_format.num_channels;
     media_format.purpose = static_cast<enums::MediaPlayerFormatPurpose>(supported_format.purpose);
+    media_format.sample_bytes = supported_format.sample_bytes;
     msg.supported_formats.push_back(media_format);
   }
 
diff --git a/esphome/components/api/api_pb2.cpp b/esphome/components/api/api_pb2.cpp
index 2a1552d6fc..955f17612a 100644
--- a/esphome/components/api/api_pb2.cpp
+++ b/esphome/components/api/api_pb2.cpp
@@ -5149,6 +5149,10 @@ bool MediaPlayerSupportedFormat::decode_varint(uint32_t field_id, ProtoVarInt va
       this->purpose = value.as_enum<enums::MediaPlayerFormatPurpose>();
       return true;
     }
+    case 5: {
+      this->sample_bytes = value.as_uint32();
+      return true;
+    }
     default:
       return false;
   }
@@ -5168,6 +5172,7 @@ void MediaPlayerSupportedFormat::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_uint32(2, this->sample_rate);
   buffer.encode_uint32(3, this->num_channels);
   buffer.encode_enum<enums::MediaPlayerFormatPurpose>(4, this->purpose);
+  buffer.encode_uint32(5, this->sample_bytes);
 }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void MediaPlayerSupportedFormat::dump_to(std::string &out) const {
@@ -5190,6 +5195,11 @@ void MediaPlayerSupportedFormat::dump_to(std::string &out) const {
   out.append("  purpose: ");
   out.append(proto_enum_to_string<enums::MediaPlayerFormatPurpose>(this->purpose));
   out.append("\n");
+
+  out.append("  sample_bytes: ");
+  sprintf(buffer, "%" PRIu32, this->sample_bytes);
+  out.append(buffer);
+  out.append("\n");
   out.append("}");
 }
 #endif
diff --git a/esphome/components/api/api_pb2.h b/esphome/components/api/api_pb2.h
index 6fab1f57e0..1ce6482b09 100644
--- a/esphome/components/api/api_pb2.h
+++ b/esphome/components/api/api_pb2.h
@@ -1277,6 +1277,7 @@ class MediaPlayerSupportedFormat : public ProtoMessage {
   uint32_t sample_rate{0};
   uint32_t num_channels{0};
   enums::MediaPlayerFormatPurpose purpose{};
+  uint32_t sample_bytes{0};
   void encode(ProtoWriteBuffer buffer) const override;
 #ifdef HAS_PROTO_MESSAGE_DUMP
   void dump_to(std::string &out) const override;
diff --git a/esphome/components/media_player/media_player.h b/esphome/components/media_player/media_player.h
index 26bef55afc..78b3ed6216 100644
--- a/esphome/components/media_player/media_player.h
+++ b/esphome/components/media_player/media_player.h
@@ -37,6 +37,7 @@ struct MediaPlayerSupportedFormat {
   uint32_t sample_rate;
   uint32_t num_channels;
   MediaPlayerFormatPurpose purpose;
+  uint32_t sample_bytes;
 };
 
 class MediaPlayer;