... stability Proaudio, Loudspeaker, speaker, line array speaker, PA speaker, outdoor speaker, subwoofer, small speaker, active speaker, self-power speaker, ... for live performance, stadium, outdoor use, fixed installation.ZSOUND Pro audio TCD-4 outdoor power distribution box System Power Distribution ... Connectors1×NL8P neutrik speakon socket; 1×WP-7 waterproof socket; 4×NL4P neutrik speakon socket or WP-4 ...