Earthworks DK3 Drum Microphone Kit Drum Mic Kit with 2 SR25 Mics and 1 SR20LS Mic; Includes Mic Clips and Pouches $1,299.00. The Earthworks DK3 Drum Kit System gives you everything you need to mic a drum kit using a classic 3-mic setup. The kit includes clips and pouches for each mic. The Earthworks DK7 Drum Kit System is 7 microphone kit comprised of 4 DM20 precision engineered cardioid condenser microphones designed for close miking toms and snare, plus 2 SR25 cardioids for miking overheads, and 1 specially engineered SR20LS (low sensitivity) for kick drum that can be deployed in both live performance and studio recording environments. Earthworks has made well-regarded condenser microphones for over 20 years. The Earthworks DK7 Drum Kit System is 7 microphone kit comprised of 4 DM20 precision engineered cardioid condenser microphones designed for close miking toms and snare, plus 2 SR25 cardioids for miking overheads, and 1 specially engineered SR20LS (low sensitivity) for kick drum that can be deployed in both live performance and studio recording environments. The Earthworks DK7 Drum Kit System is 7 microphone kit comprised of 4 DM20 precision engineered cardioid condenser microphones designed for close miking toms and snare, plus 2 SR25 cardioids for miking overheads, and 1 specially engineered SR20LS (low sensitivity) for kick drum that can be deployed in both live performance and studio recording environments. The CMK4 kit provides four DM20 mics and clips inside a Pelican style suitcase. You get two SR25 cardioid condenser mics for overheads, and one specially engineered SR20LS (low sensitivity) condenser mic for bass drum. Earthworks Full Drum Mic Kit. I've been curious about their drum mics for quite a while, so I was stoked to receive a CMK4 mic kit for review.