The AMT WSW - Shure is a special version of the AMT WS. The microphone element remains with the same high level of quality that the WS achieves however is specially adapted to work with any Shure belt pack transmitter/wireless system such as the ULXS14 or ULXP14. The WS comes wired directly with a 4 pin connector to connect directly to any Shure wireless belt pack.
The AMT P800W Sennheiser is a special version of the AMT P800W. The microphone element remains the same with the same high level of quality that the P800 achieves however is specially adapted to work in a Sennheiser configuration. The AMT P800 Trumpet microphone system is the only system on the market specifically made to handle the highest SPL levels that a trumpet can reproduce. The AMT P800 microphone system features an element somewhere in size between a small and large diaphragm, which prevents even the loudest of trumpet players to not overload the microphone. AMT has developed there special "Off the bell" clamping system for this model which clamps to the mouthpipe of the trumpet or flugelhorn.