For sale: MXR M133 Micro Amp. I used this for a while, but I'm selling it now because I no longer use it. Please examine the photos carefully to assess the condition of the item. There may be scratches not visible in the photos, or areas not captured, but please understand that this is unavoidable with online sales. This is a used item, so please refrain from purchasing if you are overly concerned about the condition. If you have any questions, please comment before purchasing.