- Battery-free Endpin Jack Preamp
- For Piezo Undersaddle Pickups
- Includes Power Charger
- Pickup Not Included
- Made in USA
The Mi-Si Crystal endpin jack preamp is designed to retrofit existing passive pickup systems to make them active. It features a battery-free preamp designed specifically to work with undersaddle guitar pickups using passive piezo elements. The preamp for this system uses Mi-Si's custom piezo linearization scheme – allowing for the most truthful and accurate sound from the pickup. All you have to do is power up for 60 seconds using the included Mi-Si Power Charger, providing you with up to 16 hours of performance time. Package includes Crystal preamp and power charger, pickup not included.