It is a controller monitoring of high quality which has a remote control and a rack containing multiple inputs and outputs (analog or digital) and / A converter providing an extremely detailed sound analytical. You can enter multiple analog or digital sources and listen to sources issues adjusting and storing levels. This allows mastering listening mixing and treated at an equal level track. Each change of level switches relay in the rack (with a characteristic noise). The sound quality is superlative. We hear absolutely everything. The price is therefore, so this machine intended for professional use, along with worthy monitors the Avocet. It is possible to connect multiple monitors and switch from one to the other easily. The Avocet is a success in terms of sound and ergonomically. When once worked with this bike, it is difficult to pass.