Resonant Frequency (kHz): 2.00
Magnet Type: Ceramic/steel
Output Voltage (String): 2.0
Output Voltage (Strum): 4.5
Output Noise @ 60Hz: -91 dBV
Output Impedance: 10 kOhms
Current @ 9V: 80 microamps
Battery Life: 3,000 hours
Maximum Supply: 27V DC