Black Hole and/or EAD Professional Set Up/Tweaking (IMPORTANT)Many drummers, beginner to professional level, understand the benefits of the Black Hole, BUT many also forget that having the Black Hole does NOT ABSOLVE you from knowing how to tune and tweak everything (drums and Black Hole) to blend in and achieve the feel, low volume and accuracy that is needed when practicing on an acoustic drum kit with Black Hole. So if you are starting out with this amazing low volume home practice system, you will need this