The Perception Groove Pack is a high-performance microphone starter kit with a sensational price/performance ratio. It contains everything you need to perfectly capture the sound of a complete drum set. The microphones can also be used for miking percussion, bass and guitar amps, brass, woodwind and lots of other instruments. The P17 overhead mics can be used for a quick stereo recording of your band's rehearsal session. The Groove Pack contains the following six high-performance microphones from the Perception Live series:1 x P2 bass drum microphone 2 x P17* for overheads 3 x P4 for toms and snare. The complete set comes in a protective aluminum carrying case.*The P17 is technically identical to the P170 and is not available as a single unit.