diff --git a/@applications/web/src/features/voice/VoiceSession.ts b/@applications/web/src/features/voice/VoiceSession.ts
index dc776af..6d8b0e1 100644
--- a/@applications/web/src/features/voice/VoiceSession.ts
+++ b/@applications/web/src/features/voice/VoiceSession.ts
@@ -36,6 +36,7 @@ export interface VoiceSessionCallbacks {
   onTtsEnd: (event: TtsEndEvent) => void;
   onListening: () => void;
   onStateChange: (state: VoiceSessionState) => void;
+  onError: (message: string) => void;
 }
 
 export class VoiceSession {
@@ -47,6 +48,7 @@ export class VoiceSession {
 
   constructor(
     private readonly apiBaseUrl: string,
+    private readonly socketBaseUrl: string,
     private readonly sessionId: string,
     private readonly callbacks: VoiceSessionCallbacks,
   ) {}
@@ -73,7 +75,7 @@ export class VoiceSession {
     this._setState('connecting');
 
     this.client = new VoiceClient({
-      baseUrl: this.apiBaseUrl,
+      baseUrl: this.socketBaseUrl,
       sessionId: this.sessionId,
       reconnect: true,
       maxReconnectAttempts: 5,
@@ -87,8 +89,9 @@ export class VoiceSession {
         this._setState('disconnected');
       },
 
-      onError: (_event) => {
+      onError: () => {
         this._setState('error');
+        this.callbacks.onError('Voice connection failed. Tap the mic to reconnect.');
       },
 
       onEvent: (event: VoiceEvent) => {
@@ -127,10 +130,12 @@ export class VoiceSession {
   sendAudioFrame(frame: ArrayBuffer): void {
     if (!this.client?.isConnected()) return;
 
-    // Decode the worklet's output to extract the PCM Int16Array
+    // Decode the worklet's output to extract the PCM Int16Array.
+    // Int16Array requires 2-byte-aligned offsets; byte 5 is not aligned,
+    // so slice from byte 5 to get a new, zero-offset ArrayBuffer.
     const view = new DataView(frame);
     const seq = view.getUint32(1, false);
-    const pcm = new Int16Array(frame, 5, 960);
+    const pcm = new Int16Array(frame.slice(5));
 
     this.client.sendAudio({ seq, pcm });
     this.micSeq = seq;
@@ -177,8 +182,9 @@ export class VoiceSession {
         break;
       }
       case 'error': {
-        // Errors are non-fatal — surface to caller via state change
         this._setState('error');
+        const errorEvent = event as VoiceEvent & { message?: string };
+        this.callbacks.onError(errorEvent.message ?? 'Connection error');
         break;
       }
     }