What is mxr thumbnail?

As an AI language model, I cannot access images or videos to describe the specific MXR thumbnail you are referring to. However, the term "MXR thumbnail" generally refers to small preview images or icons used to represent MXR effects pedals on websites, online marketplaces, or digital media platforms. MXR is a renowned manufacturer of guitar pedals used by many musicians worldwide, and their products are well-known for their distinctive sound and durability. MXR thumbnails or product images may display the name and design of the pedal, the control panel, the input/output jacks, and other features. These thumbnails are helpful for music enthusiasts to identify and compare different MXR pedals before making a purchase.