diff --git a/api/server/services/AppService.js b/api/server/services/AppService.js
index 2c67f7de4d..0390faf515 100644
--- a/api/server/services/AppService.js
+++ b/api/server/services/AppService.js
@@ -87,12 +87,14 @@ const AppService = async () => {
   const registration = config.registration ?? configDefaults.registration;
   const interfaceConfig = await loadDefaultInterface(config, configDefaults);
   const turnstileConfig = loadTurnstileConfig(config, configDefaults);
+  const speech = config.speech;
 
   const defaultConfig = {
     ocr,
     paths,
     config,
     memory,
+    speech,
     balance,
     mcpConfig,
     webSearch,
diff --git a/api/server/services/Files/Audio/STTService.js b/api/server/services/Files/Audio/STTService.js
index 49a800336b..2b6fa1a390 100644
--- a/api/server/services/Files/Audio/STTService.js
+++ b/api/server/services/Files/Audio/STTService.js
@@ -2,10 +2,10 @@ const axios = require('axios');
 const fs = require('fs').promises;
 const FormData = require('form-data');
 const { Readable } = require('stream');
+const { logger } = require('@librechat/data-schemas');
 const { genAzureEndpoint } = require('@librechat/api');
 const { extractEnvVariable, STTProviders } = require('librechat-data-provider');
-const { getCustomConfig } = require('~/server/services/Config');
-const { logger } = require('~/config');
+const { getAppConfig } = require('~/server/services/Config');
 
 /**
  * Maps MIME types to their corresponding file extensions for audio files.
@@ -84,12 +84,7 @@ function getFileExtensionFromMime(mimeType) {
  * @class
  */
 class STTService {
-  /**
-   * Creates an instance of STTService.
-   * @param {Object} customConfig - The custom configuration object.
-   */
-  constructor(customConfig) {
-    this.customConfig = customConfig;
+  constructor() {
     this.providerStrategies = {
       [STTProviders.OPENAI]: this.openAIProvider,
       [STTProviders.AZURE_OPENAI]: this.azureOpenAIProvider,
@@ -104,21 +99,20 @@ class STTService {
    * @throws {Error} If the custom config is not found.
    */
   static async getInstance() {
-    const customConfig = await getCustomConfig();
-    if (!customConfig) {
-      throw new Error('Custom config not found');
-    }
-    return new STTService(customConfig);
+    return new STTService();
   }
 
   /**
    * Retrieves the configured STT provider and its schema.
+   * @param {ServerRequest} req - The request object.
    * @returns {Promise<[string, Object]>} A promise that resolves to an array containing the provider name and its schema.
    * @throws {Error} If no STT schema is set, multiple providers are set, or no provider is set.
    */
-  async getProviderSchema() {
-    const sttSchema = this.customConfig.speech.stt;
-
+  async getProviderSchema(req) {
+    const appConfig = await getAppConfig({
+      role: req?.user?.role,
+    });
+    const sttSchema = appConfig?.speech?.stt;
     if (!sttSchema) {
       throw new Error(
         'No STT schema is set. Did you configure STT in the custom config (librechat.yaml)?',
@@ -274,7 +268,7 @@ class STTService {
    * @param {Object} res - The response object.
    * @returns {Promise<void>}
    */
-  async processTextToSpeech(req, res) {
+  async processSpeechToText(req, res) {
     if (!req.file) {
       return res.status(400).json({ message: 'No audio file provided in the FormData' });
     }
@@ -287,7 +281,7 @@ class STTService {
     };
 
     try {
-      const [provider, sttSchema] = await this.getProviderSchema();
+      const [provider, sttSchema] = await this.getProviderSchema(req);
       const text = await this.sttRequest(provider, sttSchema, { audioBuffer, audioFile });
       res.json({ text });
     } catch (error) {
@@ -297,7 +291,7 @@ class STTService {
       try {
         await fs.unlink(req.file.path);
         logger.debug('[/speech/stt] Temp. audio upload file deleted');
-      } catch (error) {
+      } catch {
         logger.debug('[/speech/stt] Temp. audio upload file already deleted');
       }
     }
@@ -322,7 +316,7 @@ async function createSTTService() {
  */
 async function speechToText(req, res) {
   const sttService = await createSTTService();
-  await sttService.processTextToSpeech(req, res);
+  await sttService.processSpeechToText(req, res);
 }
 
 module.exports = { speechToText };
diff --git a/api/server/services/Files/Audio/TTSService.js b/api/server/services/Files/Audio/TTSService.js
index 34d8202156..83916141f5 100644
--- a/api/server/services/Files/Audio/TTSService.js
+++ b/api/server/services/Files/Audio/TTSService.js
@@ -1,9 +1,9 @@
 const axios = require('axios');
+const { logger } = require('@librechat/data-schemas');
 const { genAzureEndpoint } = require('@librechat/api');
 const { extractEnvVariable, TTSProviders } = require('librechat-data-provider');
 const { getRandomVoiceId, createChunkProcessor, splitTextIntoChunks } = require('./streamAudio');
-const { getCustomConfig } = require('~/server/services/Config');
-const { logger } = require('~/config');
+const { getAppConfig } = require('~/server/services/Config');
 
 /**
  * Service class for handling Text-to-Speech (TTS) operations.
@@ -32,11 +32,7 @@ class TTSService {
    * @throws {Error} If the custom config is not found.
    */
   static async getInstance() {
-    const customConfig = await getCustomConfig();
-    if (!customConfig) {
-      throw new Error('Custom config not found');
-    }
-    return new TTSService(customConfig);
+    return new TTSService();
   }
 
   /**
@@ -293,10 +289,13 @@ class TTSService {
       return res.status(400).send('Missing text in request body');
     }
 
+    const appConfig = await getAppConfig({
+      role: req.user?.role,
+    });
     try {
       res.setHeader('Content-Type', 'audio/mpeg');
       const provider = this.getProvider();
-      const ttsSchema = this.customConfig.speech.tts[provider];
+      const ttsSchema = appConfig?.speech?.tts?.[provider];
       const voice = await this.getVoice(ttsSchema, requestVoice);
 
       if (input.length < 4096) {
diff --git a/api/server/services/Files/Audio/getCustomConfigSpeech.js b/api/server/services/Files/Audio/getCustomConfigSpeech.js
index 36f97bc491..cdf44b810e 100644
--- a/api/server/services/Files/Audio/getCustomConfigSpeech.js
+++ b/api/server/services/Files/Audio/getCustomConfigSpeech.js
@@ -1,5 +1,5 @@
-const { getCustomConfig } = require('~/server/services/Config');
-const { logger } = require('~/config');
+const { logger } = require('@librechat/data-schemas');
+const { getAppConfig } = require('~/server/services/Config');
 
 /**
  * This function retrieves the speechTab settings from the custom configuration
@@ -15,26 +15,26 @@ const { logger } = require('~/config');
  */
 async function getCustomConfigSpeech(req, res) {
   try {
-    const customConfig = await getCustomConfig();
+    const appConfig = await getAppConfig();
 
-    if (!customConfig) {
+    if (!appConfig) {
       return res.status(200).send({
         message: 'not_found',
       });
     }
 
-    const sttExternal = !!customConfig.speech?.stt;
-    const ttsExternal = !!customConfig.speech?.tts;
+    const sttExternal = !!appConfig.speech?.stt;
+    const ttsExternal = !!appConfig.speech?.tts;
     let settings = {
       sttExternal,
       ttsExternal,
     };
 
-    if (!customConfig.speech?.speechTab) {
+    if (!appConfig.speech?.speechTab) {
       return res.status(200).send(settings);
     }
 
-    const speechTab = customConfig.speech.speechTab;
+    const speechTab = appConfig.speech.speechTab;
 
     if (speechTab.advancedMode !== undefined) {
       settings.advancedMode = speechTab.advancedMode;
diff --git a/api/server/services/Files/Audio/getVoices.js b/api/server/services/Files/Audio/getVoices.js
index 24612d85e2..0725b987d2 100644
--- a/api/server/services/Files/Audio/getVoices.js
+++ b/api/server/services/Files/Audio/getVoices.js
@@ -1,5 +1,5 @@
 const { TTSProviders } = require('librechat-data-provider');
-const { getCustomConfig } = require('~/server/services/Config');
+const { getAppConfig } = require('~/server/services/Config');
 const { getProvider } = require('./TTSService');
 
 /**
@@ -14,13 +14,13 @@ const { getProvider } = require('./TTSService');
  */
 async function getVoices(req, res) {
   try {
-    const customConfig = await getCustomConfig();
+    const appConfig = await getAppConfig();
 
-    if (!customConfig || !customConfig?.speech?.tts) {
+    if (!appConfig || !appConfig?.speech?.tts) {
       throw new Error('Configuration or TTS schema is missing');
     }
 
-    const ttsSchema = customConfig?.speech?.tts;
+    const ttsSchema = appConfig?.speech?.tts;
     const provider = await getProvider(ttsSchema);
     let voices;
 
diff --git a/packages/api/src/types/config.ts b/packages/api/src/types/config.ts
index e25caba7b2..6487203b0f 100644
--- a/packages/api/src/types/config.ts
+++ b/packages/api/src/types/config.ts
@@ -45,6 +45,8 @@ export interface AppConfig {
   turnstileConfig?: TCustomConfig['turnstile'];
   /** Balance configuration */
   balance?: TCustomConfig['balance'];
+  /** Speech configuration */
+  speech?: TCustomConfig['speech'];
   /** MCP server configuration */
   mcpConfig?: TCustomConfig['mcpServers'] | null;
   /** File configuration */