Company Information Thank you for supporting the BSPH Multizone Audio System & PA system. With ease of installation and trouble-free operation, you should enjoy simple life. BSPH is the world’s leading manufacturer of smart home & PA systems. It is based on the ever-expanding need for improving the quality of life for people. Safety and high quality are the principles and standards which BSPH always adheres to. Multi Source Audio Device HCD-FMS of PA system best quality economic offer Features: Build in CD/DVD player, USB input with Mp3 player, AM/FM Tuner One combined auxiliary output for selecting one of three audio sources Three independent outputs for CD/DVD, Mp3 player and AM/FM S Stereo/mono Selector factory overview : we still supplying diversity design speakers & multi-zone smart Audio system 1---16 zones to meet difference request