The present invention that fall outside the pipe to convey in the seawater roar like in shock by the explosion, and to provide a solution capable of underwater explosion machine that you can not fire a shock wave or the like to shallow water. The apparatus includes a roaring machine 20, and the box 40 capable of housing a roaring machine, along with the is continuously provided and the explosion tube 21 of roaring machines, I was constructed by the pipe body 30 provided with a check valve at its distal end . .BACKGROUND 1【課題】爆発による衝撃で爆音等を海水内に伝えるパイプが外れてしまうこと、及び浅海域に衝撃波等を発射できないことを解決可能な水中爆音機を提供する。【解決手段】爆音機20と、爆音機を収納可能な箱体40と、爆音機の爆発筒21と連設されると共に、その先端部に逆止弁を備えたパイプ体30とにより構成した。【選択図】図1