We had to send back speakers, as it took place without error only at a low volume, asked a little louder, he had constant interruptions. Strangely, the problem occurred only in two tested MP3 players Sansa Clip and Sansa Fuze + in (if you get there, the default volume settings to "High" represents the menu). On a Sony MP3 player and a Samsung tablet he worked well even with normal and high volume. That reminds me the design and the metal housing actually like, there are still 3 stars. Possibly really limited the problem yes to the Sansa player.
