Simple Jack
battery-free preamp / endpin jack

This simple and compact model, a high-impedance buffer incorporated into the guitar’s endpin jack, also features Mi-Si’s revolutionary battery-free technology.
The Simple Jack takes the concept of highly efficient design to a level beyond that of the Modern Force and the New Alliance.
Power up for only 60 seconds and you are free to play for an incredible 16 hours!

Specifications
Input Impedance: 20 MOhm
Output Impedance: 1 kOhm
Gain: 7 dB
Operating Time: 16 hours after recharging
Charging time: 60 sec

FAQ