... , amplifier, professional amplfier, Disco speaker, chuch speaker, switching power amplifier, transformer amplifier, mainly designed for live performance, stadium, outdoor use, fixed installation.ZSOUND ... Male/Female power plug, 3×AC European socketsSpeaker Connectors1×NL8P neutrik speakon socket; 1×WP-7 waterproof socket; 4×NL4P neutrik speakon socket or WP ...