DMX signal amplifier with multiple installation modes

The utility model discloses a DMX signal amplifier with a plurality of installation modes, which comprises a casing, a main control circuit board is fixedly connected in the casing, a signal input interface, a voltage input interface and a grounding interface are embedded in one end of the casing, a plurality of signal output interfaces are embedded in the other end of the casing, and the signal output interfaces are connected with the main control circuit board. Supporting plates are fixedly connected to the two sides of the bottom of the machine shell, fixing plates are fixedly connected to the periphery of the top of the machine shell, and a threaded mounting hole is formed in the middle of the top of the machine shell. According to the signal amplifier, the supporting plate and the fixing plate are arranged on the shell of the signal amplifier, and the threaded mounting holes are formed, so that various mounting modes such as hoisting, hanging, binding and the like are realized, and the use in different f