The BBX-1E is a back-box from Aiphone which is specially designed to be used for the AX-B/BN, LEF-1C/3C, and the LE-B/BN/C/CN. The BBX-1E back box is constructed with high strength materials which provide use within long term applications; it also features a stylish lightweight size for effortless handling and is capable of being easily installed for flush mounting. This back box is affordable, and is capable of saving money for all users.