Fishman Powerjack

Powerjack description:

The Fishman POWERJACK Miniature onboard preamp built into an elongated endpin jack for Acoustic Guitar. Ideal for passive piezo or magnetic pickups.

The Fishman Powerjack is designed so that you can enjoy the benefits of "active" pickup performance from your passive piezo or magnetic pickup. The Powerjack is an active preamp, built into a 1/4 inch endpin jack. At its heart is a unique miniaturized circuit, housed in its elongated shielding cap.

The main features of the Fishman POWERJACK include:

Ideal for passive piezo or magnetic pickups
A battery life of 12,000 hours eliminates frequent battery changes. Under normal use, the system will run for years on the same battery!
Sophisticated discrete electronics improve and enhance the performance of both passive piezo and magnetic pickups
An integral Fishman Switchjack endpin jack offers new stereo wiring options
Power Supply: 9 Volt Alkaline battery
Maximum Output Voltage: 4V peak to peak
Input Overload: 0.7dBV
Input Impedance: 10 Mega Ohms
Output Impedance: Less than 5kOhm
System Gain: 3dB
Signal-to-Noise Ratio: 94 dB
Discrete Component Design: FET low noise class A input stage, bipolar class AB output stage