diff --git a/webpack/lib/audio-manager.js b/webpack/lib/audio-manager.js
index f924944..2da7d38 100644
--- a/webpack/lib/audio-manager.js
+++ b/webpack/lib/audio-manager.js
@@ -41,12 +41,15 @@ export default class AudioManager{
 				if( self.ws.readyState !== 1 ) // not connected -> stack
 					return self._ws.stack.push(_data);
 
+				console.warn(`send buffer[${_data.length}]`);
 				self.ws.send(_data);
 			},
 		};
 
 		/* (9) Manage websocket message stack */
 		this.ws.onopen = function(){
+			console.warn(`pop stack of size ${this._ws.stack.length}`);
+
 			while( this._ws.stack.length > 0 )
 				this.ws.send(this._ws.stack.shift());
 		}.bind(this);
@@ -54,6 +57,7 @@ export default class AudioManager{
 
 		/* (10) Manage websocket responses */
 		this.ws.onmessage = function(_blob){
+			console.warn(`received`, _blob);
 
 			if( !(_blob instanceof Blob) )
 				return console.warn('NIQUE');
@@ -117,7 +121,6 @@ export default class AudioManager{
 	bindRecorderStream(_stream){
 
 		/* (1) Bind audio stream */
-		console.warn(_stream);
 		this.input = this.ctx.createMediaStreamSource(_stream);
 
 	}
@@ -135,12 +138,15 @@ export default class AudioManager{
 
 		let buf16 = this.f32toi16(buf32);
 
+		console.log(`read buffer[${buf16.length}]`);
 		this._ws.send(buf16);
 
 	}
 
 	receive(_buffer){
 
+		console.log(`play buffer[${_buffer.length}]`);
+
 		/* (1) Convert to Float32Array */
 		let buf32 = this.i16tof32(_buffer);