250 Watts PA Mixer Amplifier, 08 Watts Metal Grill ceiling speaker, Table Top unidirectional Microphone, Digital switcher with remote provision for announcement to 30 Nos of speaker to any or all the speaker Selction Individual an all Call, Necessary 25 mm medium duty PVC conduit pipe with installation and accessories, Twin parallel core half sqmm soiled copper speaker wire for speaker Twin parallel core half sqmm soiled copper speaker wire for speaker