Mi-Si Acoustic Trio Vio-Mando Rechargeable Violin/Mandolin Pickup

The Mi-Si Acoustic Trio Vio System features an active, battery-free preamp designed specifically to work with the Kremona piezo pickup for violin or viola. The preamp for this system uses Mi-Si?s custom piezo linearization scheme. The extremely compact active battery-free preamp is built into a 1/4? Carpenter Jack.
Power up for 60 seconds using the Mi-Si Power Charger for up to 8 hours of performance time.