The LS1-UC10U pendant sphere loudspeaker provides a convenient way to equip open ceiling spaces with sound where conventional surface or ceiling mount speakers cannot be used. It is ideal for use in a wide variety of environments and spaces to provide background speech and music. The LS1-UC10U pendant sphere loudspeaker includes an inline DC blocking capacitor for use with DC supervision enabled systems. The maximum allowed supervised voltage is 24 VDC. The LS1-UC10U pendant sphere loudspeaker is UL1480-6, UL1408A, CSA C22.1 and CSA C22.2 certified for fire and evacuation use