Product introduction

       The S28D is a high-efficiency double eighteen subwoofer designed for ground stacking applications, 

with high sound pressure levels and extended frequency response.When using three or more S28D subwoofers, 

they can be placed in a heart-shaped subwoofer array, achieving lower frequencies Impressive directional 

control and reduced energy for backward interference, the cabinet is made of marine plywood and has impact resistance

The wear-resistant paint surface is hit, and the front of the speaker is protected by a hard metal grille, 

with dust-proof and moisture-proof transparent acoustic cotton as the backing. The side panels are 

equipped with four handles, and the rear panel reserves installation holes for the casters. Each box top panel is 

equipped with two corresponding shapes The groove ensures the safety and reliability of the stacking mode 

during large systems.

       Scope of application: Low frequency expansion for sports venues, outdoor performances,

 theaters, Livehouse bars, multifunctional halls, and fixed installation systems.