Clip On Microphone / Pickup for Guitars, violin, mandolin etc Small and simple clip on microphone pickup. Ideal for acoustic guitars, violins and other stringed instruments, in fact virtually any instrument that vibrates. Picks up the vibrations through the instrument. A wide range of sounds are possible simply by positioning it in different positions. 3 foot cable terminates in a standard jack meaning it can be plugged straight into an amp, mixer, electronic tuner, effects/outboard units etc.