No it's not, but when it's done to purposely harm another brand especially when no one even asked then yes it is. The fact is not bashing, the way it was presented in this thread however is. No ONE was pushing xm9s on this thread, David's comments were completely unnecessary, he should have just posted about how the Rev10s fit since he has experience with them. Many on here do not so they post about the closest timing they have experience with which is an XM9. They were NOT trying to sell the OP a speaker
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