The MP-Wi Wireless Mandolin Pickup from KNA offers natural-sounding amplification, whether wireless or wired, making it perfect for concert stages of any size. Designed for portability with professional features, the MP-Wi utilizes piezo amplification to capture the rich overtones and tenor of your acoustic mandolin with authentic accuracy and depth. The handcrafted tonewood sensor fits between the saddle and base of most mandolin bridges with little to no modification required.