Quality seems normal but the plugs are tiny. Judging by the pictures the standard banana plug is like on the breadboard but it isn't. They are tiny and you have to insert the wire into the hole in the post. I've been looking for a standard connector like a desktop power adapter, but this unit doesn't have it. As a result, I bought https://www.amazon.com/gp/product/B0102JJFCC/ref=oh_aui_detailpage_o00_s01?ie=UTF8&psc=1 with a standard connector. I only gave two stars because it's a bit misleading. Please note that these are not standard connections.
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