The Hohner Vmonos eliminates all of these issues. There are no wires and the microphone module attaches to the accordion grille with magnets making it simple to immediately switch from one accordion to another with ease. Players will never have to modify or damage their expensive accordions again he added. The Hohner Vamonos is a one-piece wireless microphone and transmitter module is made of rugged plastic construction and is designed for dependable performance. Ideal for stage performance as well as recording sessions, the microphone features two highly sensitive, precision mic elements that offer smooth frequency response, exceptional resolution and the ability to handle high sound pressure levels with limited feedback. This system will capture both the high and low reeds with exceptional quality, amplifying the natural accordion sound that players desire. The Vamonos receiver operates over an 18MHZ UHF bandwidth and features the flexibility of selecting up to 90 UHF frequencies. The diversified design enables dual internal receiver circuits to compete for the strongest possible reception resulting in minimized noise and RF interference. The rear panel features both XLR and 1/4 outputs. There are two uni-directional, back electric condenser microphones with low distortion, low noise, high max SPL, which yields a super wide dynamic range, wide - flat frequency response curve, and low output impedance. Features: Attaches to your Accordion Grill by either Velcro or Magnets - Both are provided. Attaches vertically with RED "Hohner" Dual Microphone Transmitter 88 Channel Receiver Sensitivity Adjustment Switch Infrared data synchronization and 3-segment battery level indication (100%-50%-10%).