The Porta Brace CAR-3AUD Cargo Case For Audio Equipment is designed for transporting audio equipment such as a recorder, mixer, Portabrace AR or MXC bag, wireless mics, batteries, headphones, and a harness. The bag is constructed from 1000-denier Cordura nylon with solid steel clip rings It also features reversed zippers and a slip-not anti-skid waterproof bottom panel to improve durability and resistance to water.

The bag includes front and back slip pockets for documents, cables, and cast frequency cards. Two side pockets can be used to store additional batteries, tape, small tools, and other cables. The interior of the bag is constructed of copper-colored Veltex to provide a visual contrast against the bag's interior contents. The interior layout of the bag can be re-positioned using 1 movable horizontal divider, one 6" by 9" padded pouch, and a set of three 6" Piggin' strings. A suede shoulder strap and integrated carry handles are also included.