diff --git a/README.md b/README.md
index f47d969..e0e83aa 100644
--- a/README.md
+++ b/README.md
@@ -65,6 +65,12 @@ bun run devices
 bun run start:local
 ```
 
+TTS만 단독으로 확인:
+
+```bash
+bun run tts:test -- "안녕하세요. 출력 장치 테스트입니다."
+```
+
 Discord 모드:
 
 ```bash
diff --git a/package.json b/package.json
index 64cc66f..20e47b5 100644
--- a/package.json
+++ b/package.json
@@ -8,6 +8,7 @@
     "start": "bun src/index.ts discord",
     "start:discord": "bun src/index.ts discord",
     "start:local": "bun src/index.ts local",
+    "tts:test": "bun src/index.ts local-say",
     "setup:local-ai": "bun src/setup-local-ai.ts",
     "devices": "bun src/index.ts local-devices",
     "audio:devices": "bun src/index.ts local-devices",
diff --git a/src/index.ts b/src/index.ts
index c931977..49a3f59 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -3,7 +3,7 @@ import process from "node:process";
 import { loadConfig, requireAssistantRuntimeConfig, requireDiscordRuntimeConfig } from "./config.js";
 import { runDiscordBot } from "./discord-main.js";
 import { Logger } from "./logger.js";
-import { printLocalAudioDevices, runLocalAssistant } from "./local-main.js";
+import { printLocalAudioDevices, runLocalAssistant, runLocalTtsSmokeTest } from "./local-main.js";
 
 const mode = process.argv[2] ?? "discord";
 const config = loadConfig();
@@ -20,8 +20,13 @@ async function main(): Promise<void> {
     case "local-devices":
       await printLocalAudioDevices();
       return;
+    case "local-say": {
+      const text = process.argv.slice(3).join(" ").trim() || "안녕하세요. TTS 단독 재생 테스트입니다.";
+      await runLocalTtsSmokeTest(requireAssistantRuntimeConfig(config), logger, text);
+      return;
+    }
     default:
-      throw new Error(`알 수 없는 실행 모드입니다: ${mode}. 사용 가능: discord, local, local-devices`);
+      throw new Error(`알 수 없는 실행 모드입니다: ${mode}. 사용 가능: discord, local, local-devices, local-say`);
   }
 }
 
diff --git a/src/local-main.ts b/src/local-main.ts
index 7199c72..6fc3e91 100644
--- a/src/local-main.ts
+++ b/src/local-main.ts
@@ -5,9 +5,11 @@ import type { AssistantRuntimeConfig } from "./config.js";
 import { Logger } from "./logger.js";
 import { LocalVoiceSession } from "./audio/local-voice-session.js";
 import { requireFfmpegPath } from "./audio/ffmpeg-path.js";
+import type { LlmService } from "./services/llm.js";
 import { LocalFasterWhisperSttService } from "./services/local-stt.js";
 import { LocalKokoroTtsService } from "./services/local-tts.js";
 import { OllamaLlmService } from "./services/ollama-llm.js";
+import type { SttService } from "./services/stt.js";
 import { WindowsSystemTtsService } from "./services/windows-system-tts.js";
 
 export async function printLocalAudioDevices(): Promise<void> {
@@ -120,3 +122,47 @@ export async function runLocalAssistant(config: AssistantRuntimeConfig, logger:
 
   await session.start();
 }
+
+export async function runLocalTtsSmokeTest(
+  config: AssistantRuntimeConfig,
+  logger: Logger,
+  text: string,
+): Promise<void> {
+  const tts =
+    process.platform === "win32"
+      ? new WindowsSystemTtsService(config.LOCAL_TTS_SPEED)
+      : new LocalKokoroTtsService(config, logger);
+
+  const noOpStt: SttService = {
+    async transcribePcm16() {
+      return null;
+    },
+  };
+  const noOpLlm: LlmService = {
+    async generateReply() {
+      return "";
+    },
+  };
+
+  await tts.warmup();
+
+  const session = new LocalVoiceSession({
+    config,
+    logger,
+    stt: noOpStt,
+    tts,
+    llm: noOpLlm,
+  });
+
+  console.log("TTS 단독 재생 테스트를 시작합니다.");
+  console.log(`재생 문장: ${text}`);
+  if (process.platform === "win32") {
+    console.log("Windows에서는 시스템 기본 출력 장치로 재생됩니다.");
+  }
+
+  try {
+    await session.speakText(text);
+  } finally {
+    await Promise.allSettled([session.destroy(), tts.destroy?.()]);
+  }
+}