diff --git a/cmd/soundtouch-cli/cmd_speaker.go b/cmd/soundtouch-cli/cmd_speaker.go
index 5bdf9d0..2ee86db 100644
--- a/cmd/soundtouch-cli/cmd_speaker.go
+++ b/cmd/soundtouch-cli/cmd_speaker.go
@@ -147,10 +147,16 @@ func playURL(c *cli.Context) error {
 	return nil
 }
 
-// playNotificationBeep plays a notification beep on the speaker (uses existing endpoint)
-func playNotificationBeep(c *cli.Context) error {
+// playNotification plays a notification sound or a local file on the speaker
+func playNotification(c *cli.Context) error {
 	clientConfig := GetClientConfig(c)
-	PrintDeviceHeader("Playing notification beep", clientConfig.Host, clientConfig.Port)
+	path := c.String("path")
+
+	if path != "" {
+		PrintDeviceHeader(fmt.Sprintf("Playing notification file: %s", path), clientConfig.Host, clientConfig.Port)
+	} else {
+		PrintDeviceHeader("Playing notification beep", clientConfig.Host, clientConfig.Port)
+	}
 
 	client, err := CreateSoundTouchClient(clientConfig)
 	if err != nil {
@@ -158,18 +164,30 @@ func playNotificationBeep(c *cli.Context) error {
 		return err
 	}
 
-	// Use the existing playNotification endpoint
-	err = client.PlayNotificationBeep()
+	err = client.PlayNotification(path)
 	if err != nil {
-		PrintError(fmt.Sprintf("Failed to play notification beep: %v", err))
+		if path != "" {
+			PrintError(fmt.Sprintf("Failed to play notification file: %v", err))
+		} else {
+			PrintError(fmt.Sprintf("Failed to play notification beep: %v", err))
+		}
 		return err
 	}
 
-	fmt.Printf("✅ Notification beep played successfully\n")
+	if path != "" {
+		fmt.Printf("✅ Notification file sent successfully: %s\n", path)
+	} else {
+		fmt.Printf("✅ Notification beep played successfully\n")
+	}
 
 	return nil
 }
 
+// playNotificationBeep plays a notification beep on the speaker (uses existing endpoint)
+func playNotificationBeep(c *cli.Context) error {
+	return playNotification(c)
+}
+
 // showSpeakerHelp displays help information about speaker functionality
 func showSpeakerHelp(_ *cli.Context) error {
 	fmt.Println("SoundTouch Speaker Playback Commands")
@@ -189,6 +207,10 @@ func showSpeakerHelp(_ *cli.Context) error {
 	fmt.Println("  Play a simple notification sound")
 	fmt.Println("  Example: soundtouch-cli speaker beep")
 	fmt.Println()
+	fmt.Println("• Custom Notification:")
+	fmt.Println("  Play a device-local PCM file as notification")
+	fmt.Println("  Example: soundtouch-cli speaker notify --path \"/opt/Bose/chimes/grouped.pcm\"")
+	fmt.Println()
 	fmt.Println("Notes:")
 	fmt.Println("• Only ST-10 (Series III) speakers support the /speaker endpoint")
 	fmt.Println("• ST-300 and other models may not support this functionality")
diff --git a/cmd/soundtouch-cli/main.go b/cmd/soundtouch-cli/main.go
index 00cd1a5..8cf25ad 100644
--- a/cmd/soundtouch-cli/main.go
+++ b/cmd/soundtouch-cli/main.go
@@ -1707,6 +1707,19 @@ func main() {
 							},
 						},
 					},
+					{
+						Name:   "notify",
+						Usage:  "Play a notification sound or local file",
+						Action: playNotification,
+						Before: RequireHost,
+						Flags: []cli.Flag{
+							&cli.StringFlag{
+								Name:    "path",
+								Aliases: []string{"p"},
+								Usage:   "Device-local path to a PCM file (e.g. /opt/Bose/chimes/grouped.pcm)",
+							},
+						},
+					},
 					{
 						Name:   "beep",
 						Usage:  "Play a notification beep sound",
diff --git a/pkg/client/client.go b/pkg/client/client.go
index e2f6ba4..ee130cc 100644
--- a/pkg/client/client.go
+++ b/pkg/client/client.go
@@ -1801,8 +1801,29 @@ func (c *Client) PlayCustom(playInfo *models.PlayInfo) error {
 
 // PlayNotificationBeep plays a notification beep on the device
 func (c *Client) PlayNotificationBeep() error {
-	var status models.StationResponse
-	return c.get("/playNotification", &status)
+	return c.PlayNotification("")
+}
+
+// PlayNotification plays a notification. If a non-empty local path is provided,
+// it will be sent as XML body to play that specific device-local PCM file.
+// When path is empty, the device's default beep is triggered.
+func (c *Client) PlayNotification(path string) error {
+	// Empty path -> trigger default beep via GET
+	if strings.TrimSpace(path) == "" {
+		var status models.StationResponse
+		return c.get("/playNotification", &status)
+	}
+
+	// Non-empty path -> POST minimal XML payload as required by the device
+	payload := struct {
+		XMLName    xml.Name `xml:"audioSource"`
+		PathToFile string   `xml:"pathToFile,attr"`
+	}{
+		XMLName:    xml.Name{Local: "audioSource"},
+		PathToFile: path,
+	}
+
+	return c.post("/playNotification", payload)
 }
 
 // Introspect retrieves introspect data for a specified music service
diff --git a/pkg/client/client_test.go b/pkg/client/client_test.go
index 98dbb4d..e5dfab8 100644
--- a/pkg/client/client_test.go
+++ b/pkg/client/client_test.go
@@ -1,6 +1,7 @@
 package client
 
 import (
+	"io"
 	"net/http"
 	"net/http/httptest"
 	"net/url"
@@ -1160,3 +1161,71 @@ func TestClient_RequestToken_Error(t *testing.T) {
 		t.Errorf("Error should mention 'failed to request token', got: %v", err)
 	}
 }
+
+func TestClient_PlayNotificationBeep(t *testing.T) {
+	// Create mock server
+	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		if r.URL.Path != "/playNotification" {
+			t.Errorf("Expected path '/playNotification', got '%s'", r.URL.Path)
+			w.WriteHeader(http.StatusNotFound)
+			return
+		}
+
+		if r.Method != http.MethodGet {
+			t.Errorf("Expected GET method, got %s", r.Method)
+			w.WriteHeader(http.StatusMethodNotAllowed)
+			return
+		}
+
+		w.Header().Set("Content-Type", "application/xml")
+		w.WriteHeader(http.StatusOK)
+		_, _ = w.Write([]byte(`<?xml version="1.0" encoding="UTF-8" ?><status>success</status>`))
+	}))
+	defer server.Close()
+
+	// Create test client
+	client := createTestClient(server.URL)
+
+	// Test PlayNotificationBeep
+	err := client.PlayNotificationBeep()
+	if err != nil {
+		t.Fatalf("PlayNotificationBeep() failed: %v", err)
+	}
+}
+
+func TestClient_PlayNotification_Path(t *testing.T) {
+	testPath := "/opt/Bose/chimes/grouped.pcm"
+
+	// Create mock server
+	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		if r.URL.Path != "/playNotification" {
+			t.Errorf("Expected path '/playNotification', got '%s'", r.URL.Path)
+			w.WriteHeader(http.StatusNotFound)
+			return
+		}
+
+		if r.Method != http.MethodPost {
+			t.Errorf("Expected POST method, got %s", r.Method)
+			w.WriteHeader(http.StatusMethodNotAllowed)
+			return
+		}
+
+		body, _ := io.ReadAll(r.Body)
+		expectedXML := `<audioSource pathToFile="` + testPath + `"></audioSource>`
+		if string(body) != expectedXML {
+			t.Errorf("Expected body '%s', got '%s'", expectedXML, string(body))
+		}
+
+		w.WriteHeader(http.StatusOK)
+	}))
+	defer server.Close()
+
+	// Create test client
+	client := createTestClient(server.URL)
+
+	// Test PlayNotification with path
+	err := client.PlayNotification(testPath)
+	if err != nil {
+		t.Fatalf("PlayNotification() failed: %v", err)
+	}
+}