EMG 81-7 7-String Humbucking Active Guitar Pickup, Black Logo Color: SilverResonant Frequency (kHz): 2.25RMS Output Voltage: 1.25Peak Output Voltage: 1.75Output Noise (dBV): -91Output Impedance (Kohm): 10Current @ 9V (Microamps): 80Battery Life (Hours): 3000 The 81 is at its best for high volume overdrive and amps with a master volume Whether you're playing power rock and roll, or overdriving your amp, this guitar pickups has a razor sharp attack, and incredible sustain for brilliant soloing If you're looking for exceptional qualities in a rock pickup, the EMG-81-7 is the one Package Includes: EMG's exclusive Quik-Connect cable, prewired split shaft volume/tone control set, output jack, battery clip set, screws & springs