Bartolini Dual Piezo Buffer AGMPBoo Kit

Bartolini Dual Piezo Buffer AGMPBoo Kit, Two-channel buffer preamp set for electric bass, Clear, transparent sound with extremely low distortion, Suitable for piezo/microphone pickups in combination with magnetic pickups, Two independent buffer circuits to combine two pickups, Circuit identical to AGMPB/918, but with connector for up to 7 plugs of piezo string saddles, Piezo channel input impedance: 3.3 MOhm, Input impedance magnetic channel: 1 MOhm, Output impedance: 3.6 ohm, Per channel adjustable gain up to 12 dB, Supports 18V operation for 6 dB additional headroom, Power supply via 1 x 9V / 2 x 9V (18V) battery (not included), Dimensions (L x W x H): 26.7 x 20.1 x 10.9 mm, Includes 25 kOhm blend potentiometer ...