I using the Pro3T for about 3 years, its the closest thing to the real thing, but this unit you can carry with one hand .
I use it with my Tyros 2 ad the separate output,sounds much better than the build in simulator,it is a real rotating horn .

Regards,
Impuls
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Genos2,Korg Pa5X , Yamaha YC61, Ventilator2 . : https://www.youtube.com/channel/UCmC6hdAR1v5lYN8twfn0YbA