A miniature onboard preamp built into an elongated endpin jack. The Powerjack will give active performance to your passive piezo pickup ��� 12,000+ hour battery life from a single 9-volt battery!
DIMENSIONS: 4.75��� W x 2.2��� H x 6.75��� D (120mm) x (55.8mm) x (171.4mm) WEIGHT: 5.6 oz BATTERY: 9-volt battery BATTER LIFE: 12,000 hours
