Just received my 3rd U1...
Bought a U1 on eBay a while back. Awesome and practical tool that I use at work constantly. Ordered one for someone else and a second for myself to use as tws speaker set, but second light was a second generation design, not identical to the first. Got in on the Kickstarter campaign for the E8, bought two E8s plus another U1. They came in yesterday, and I couldn't be happier with the purchase. The new one matches the 2nd generation one and paired beautifully, sounds excellent, and matches the pair of E8s. Review and demo on YouTube at https://youtu.be/udgucd2tW2Y