B-Band A2.2-29R-1470 Dual Channel Guitar Pickup w/XOM Endpin Preamp Includes 1470 Acoustic Soundboard Transducer (AST) Pickup Include the updated 29R Under Saddle Transducer (UST) Pickup Includes A2.2 Stereo Endpin XOM Preamp w/Volume Control Fits 1/8" (2.9mm) Saddle Width 9-volt Phantom Power Option