Hmm. If I'm reading this right, it's a 200W speaker into which you're pumping less than 200W, therefore not over taxing said speaker.@Mo Boogs :
Per the manual, it looks as tho' you have to pony up for the extension speaker to get your full 200W. (http://www.tech21nyc.com/t21manuals/VT200_OM.pdf)
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The R200c pushes 140W into the internal speaker and it's more than enuff most of the time. When I add the R112 cab, it's not necessarily louder(volume never above 1/2)but fuller.[I think]

