The Sound Devices Accessory Pack for the 633 Compact Field Mixer is an accessory package for operating the mixer (sold separately) on set and in the field. The kit includes a carrying case designed specifically for the mixer, three XL-2F cables with TA3 female and XLR female connectors, two XL-2 cables with TA3 female and XLR male connectors, two XL-B2 rechargeable lithium-ion batteries, one 16GB CompactFlash memory card, and one 16GB SD memory card.