The most sophisticated Fishman embedded preamp associated with the power of the AURA. A total of four acoustic images can be downloaded via USB from the Image Gallery software delivered with the Ellipse Aura, to create the perfect osmosis between the "image" and the natural sound characteristics of the instrument. The Ellipse Aura also features an Acoustic Matrix under bridge pickup in a narrow, wide or split (4 + 2) format. The Blend control adjusts the Aura / micro blend. Suitable for rosettes with a diameter between 98mm and 105mm.