Features Features the Mouse and two stereo matched Dragonfly microphones Condenser, Pressure Omni Transducer 20Hz-20kHz Fequency response 150 ohm Output Impedance 138 dB Maximum SPL Description Product Description Inspired by some of the most important recordings in music history, blue microphones is proud to announce that we've given our customers an easy solution to replicate the fabled '3-mic' drum mic'ing technique that professional engineers have used for years. the blue drum kit kit consists of the award-winning mouse and two amazing and stereo matched pair of dragonfly microphones. these three microphones complete the sonic spectrum needed in producing a full-bodied, live recording session for the most discerning drummer and engineer.