Sandwich loudspeaker box for use in connection with hi-fi system has intermediate layer, made of soft material, which fill gap between external box and internal box and can absorb vibration of loudspeaker

摘要

Sandwich loudspeaker box has an outer box (1), which is made of hard material and has an opening (11). Inner box (2) is made of hard material and is slightly smaller than the outer box. Inner box is housed in outer box and has an opening (21). An intermediate layer, made of soft material, fills the gap between external box and internal box and can absorb the vibration of the loudspeaker.