B-Stock, M-Audio Pulsar II matched pair, cardioid instrument microphone, set with 2 microphones, switchable -10db pad and 80Hz low-cut, 134db (144db with pad) max SPL and a solid brass backplate. 20Hz-20kHz frequency response, 3/4" diameter 6-micron evaporated-gold diaphragm, 3-pin XLR (48V phantom powered), perfect for acoustic instruments like guitars, piano, strings, brass, and woodwinds, also great for percussion and drum overheads, includes 2 mics, wooden storage box, wind screen, and mic-clip mount., B-Stock with full warranty, may have slight traces of use