diff --git a/src/nodeTypes.ts b/src/nodeTypes.ts
index eab7fde..604f168 100644
--- a/src/nodeTypes.ts
+++ b/src/nodeTypes.ts
@@ -58,9 +58,9 @@ export const FORMAT_OPTIONS_VIDEO: ParamDef[] = [
 ]
 
 export const FORMAT_OPTIONS_AUDIO: ParamDef[] = [
-  { key: 'channels',    label: 'Channels',    type: 'number', default: 0, min: 0, max: 16, isFormat: true, group: 'AUDIO' },
+  { key: 'channels',    label: 'Channels',    type: 'number', default: 0, min: 0, max: 16, group: 'AUDIO' },
   { key: 'sample_rate', label: 'Sample Rate', type: 'select', options: SAMPLE_RATE_OPTIONS, default: 48000, isFormat: true, group: 'AUDIO' },
-  { key: 'amplitude', label: 'Amplitude (dB)', type: 'number', default: -18, min: -60, max: 0, isFormat: true },
+  { key: 'amplitude_db', label: 'Amplitude (dBFS)', type: 'number', default: -18, min: -60, max: 0 },
 ]
 
 export const NODE_TYPES: Record<string, NodeTypeDef> = {