Fishman Elipse Matrix Acoustic Guitar Pickup System, Wide Format Super low-noise onboard preamp system Ergonomic soundhole-mounted design puts slider controls at your fingertips to maintain a natural playing position Features the world's best-selling undersaddle pickup, the Acoustic Matrix Phase switch (feedback control) Custom-designed cardioid condenser mini-microphone with gooseneck mount and accessible mic/pickup blending, plus mic trim control Unique patent-pending neodymium magnetic mounting system for easy, solder-free installation