... High quality/competive price Dual 18 inch Professional Speaker Sub Bass SRT-218B Feature1. Strong and efficient output ... Weight(KG) Speaker, Loudspeaker, Pro Audio, Audio System, Speaker Box, Speaker System, Line Array, DJ Equipment, Pa Speaker, ... Theatre Speaker, Karaoke Speaker, Horn Speaker, Long Throw Speaker, Sub Woofer, Sub Bass, Woofer Speaker, Amplifier, Power Amplifier, Microphone, Mixer ...