diff --git a/src/main/services/AudioCaptureService.ts b/src/main/services/AudioCaptureService.ts
index 4385c9a..8ec608d 100644
--- a/src/main/services/AudioCaptureService.ts
+++ b/src/main/services/AudioCaptureService.ts
@@ -226,9 +226,11 @@ class AudioCaptureService extends EventEmitter {
     ]
 
     try {
-      // PowerShell로 Windows 오디오 입력 디바이스 열거
+      // PowerShell로 Windows 오디오 입력(마이크) 엔드포인트 열거
+      // Get-PnpDevice -Class AudioEndpoint: 실제 오디오 엔드포인트 (마이크/스피커)
+      // MediaCategory가 'Capture' 또는 FriendlyName에 마이크 관련 키워드 포함
       const { execSync } = await import('child_process')
-      const psCommand = `[Console]::OutputEncoding = [Text.Encoding]::UTF8; Get-CimInstance Win32_SoundDevice | Where-Object { $_.StatusInfo -eq 3 } | Select-Object -Property DeviceID, Name | ConvertTo-Json -Compress`
+      const psCommand = `[Console]::OutputEncoding = [Text.Encoding]::UTF8; Get-PnpDevice -Class AudioEndpoint -Status OK | Select-Object InstanceId, FriendlyName | ConvertTo-Json -Compress`
       const output = execSync(`powershell -NoProfile -Command "${psCommand}"`, {
         encoding: 'utf8',
         timeout: 5000,
@@ -239,11 +241,11 @@ class AudioCaptureService extends EventEmitter {
         const parsed: unknown = JSON.parse(output.startsWith('[') ? output : `[${output}]`)
         if (Array.isArray(parsed)) {
           for (const dev of parsed) {
-            const d = dev as { DeviceID?: string; Name?: string }
-            if (d.DeviceID && d.Name) {
+            const d = dev as { InstanceId?: string; FriendlyName?: string }
+            if (d.InstanceId && d.FriendlyName) {
               devices.push({
-                deviceId: d.DeviceID,
-                label: d.Name,
+                deviceId: d.FriendlyName, // SoX -t waveaudio는 이름으로 매칭
+                label: d.FriendlyName,
                 isDefault: false,
               })
             }