Here is the German translation:

"Immediately! The comfortable mounting plate system for the TYROS. With the Tyros mounting plate you can re-equip your Tyros in a simple manner for mobile Live employment. The mounting plates for the loudspeakers and the note stand can be simply attached no more screwed on and off, but after assembly, the Trs-h1 Speakers can be taken on and off again."

I dare say if you purchase these brackets, etc., from a foreign Country you're up a creek without a paddle if they arrive damaged, etc. Plus there would be NO warranty. Yamaha should give USA customers and Tyros owners this niffty Bracket assembly too. They would sell a boat load of them IMO because of the convenience and ease of use with the new Assembly package retrofit. One of the main gripes with the Tyros Speaker System and 'Music Rack' is the awkward assembly and break down of them and this can become very tedious to do especially if you Gig a lot. My 2 cents.

Best regards,
Mike