The Sennheiser Evolution 600 Series Drum Case is a 7 Piece Drum Microphone Package featuring 1x e602‎-II‎,‎ 4x e604‎,‎ 2x e614 & Mic Clips‎.‎ The Sennheiser Evolution 600 is great for live and studio applications‎.‎ The Sennheiser e 602 II is a cardioid instrument microphone especially suitable for use with bass drums‎,‎ bass guitar cabs‎,‎ tubas and other low frequency instruments‎.‎ The Sennheiser e 604 is a cardioid microphone especially suitable for use with drums and brass instruments‎.‎ The Sennheiser super‎-cardioid e 614 is a permantly polarized condenser microphone designed for demanding applications which require a wide frequency response‎,‎ high SPL‎,‎ fast transient response and a compact design‎.‎ With its frequency response of 40 Hz to 20 kHz‎,‎ the e 614 is able to capture the full sound of the instrument‎,‎ while its super‎-cardioid pick‎-up pattern isolates the microphone from other on‎-stage signals‎.‎ The Sennheiser Evolution 600 Series Drum Case Main Features Include‎:‎1 x e602‎-II 4 x e604 2 x e614 Mic Clips Includes Case