Conclusion.

Below is a link to an excellent tutorial created be one of EZ-Robots valued community forum members, Dave Schulpius, who goes through the steps of adding amplified or non amplified speakers to the EZ-B for improved sound quality where the EZ-B speaker is just not enough for your needs...

Breaking Out the Sound from the EZB4

As always, any questions or suggestion can be submitted on the Community Forum.

Happy Building.

Tutorial created on 15th October 2015.