The Sound Devices Accessory Pack for the 664 Field Production Mixer is designed for live sound recording on stage and in the field. The kit consists of a Camrade Designed Carrying Bag for the 664 Mixer, four Sound Devices XL-2F Cables, two Sound Devices XL-2 Cables, a Soundcraft XL-LB2 Timecode Cable, a Sound Devices approved 16GB compact flash (CF) card, and a Sound Devices approved 16GB SD card. It provides all the necessary interconnect and storage requirements to work with the 664.