All DynaLabs vibration shakers come included with an amplifier out of the box.
PM-20, PM-100, MS-20 and MS-100 shakers have integrated amplifiers. With this integrated amplifier it is very easy to use the shaker. You only need to plug the electric cable and shaker is ready to run.
MS-250, MS-440, PM-250 and PM-440 shakers come with a dedicated external amplifier.
SA-1100 for 250N and 440N shakers
SA-1100 amplifier is for 250N and 440N MS and PM shakers.