Bus external loudspeaker device and bus

The utility model discloses an external loudspeaker device for a bus and the bus, relates to the technical field of buses, solves the problem that an existing bus loudspeaker cannot transmit sound signals to personnel outside a carriage, and improves the driving safety. According to the specific scheme, the device comprises a fixing box fixedly installed on the inner surface of a side wall skin, a loudspeaker detachably installed on the fixing box and a microphone installed in a cab, the side wall skin is fixedly arranged on a side wall framework of the bus, and the loudspeaker is connected with the microphone through a cable. 本实用新型公开了一种公交车外置式扬声装置及公交车，涉及公交车技术领域，解决了现有公交车扬声器无法向车厢外人员传输音响信号的问题，提高了行车安全，具体方案如下：包括固定安装在侧围蒙皮内表面上的固定盒、可拆卸安装在固定盒上的扬声器以及安装在驾驶室内的传声器，侧围蒙皮固定设置在公交车的侧围骨架上，扬声器与传声器通过线缆连接。