Seismic Audio Baby-Tremor_Empty Empty 15-Inch Subwoofer Cabinet PA/DJ/Band Live Sound Loudspeaker Seismic Audio - Baby-Tremor_Empty - Empty 15" Subwoofer Cabinet - PA / DJ / Band Live Sound Loudspeaker CONTENTS: Empty 15" Subwoofer Cabinet CONDITION: New APPLICATION: Subwoofer | PA Subwoofer | DJ Subwoofer ACTIVE/PASSIVE: Passive