The TSU 500/20 PP is part of the DEL-Series, made from powder-coated aluminum housing. Our Loudspeaker TSU 500/20 PP with high security standard and also fulfilling the norm EN54-24:2008, is recommended for voice alarm use. The Loudspeaker is equipped with a ceramic terminal block, thermal fuse and a temperature resistant cable. With the protection class IP65 Typ B the speaker is useable in- and outside. Due to the integrated flexible mounting bracket, it allows an easy wall and ceiling installation.