The Tubecore Duo ($479) is the perfect combination of modern tech and classic design. This bluetooth speaker features a Class A Tube Preamp that gives you with crystal clear highs, warm mids, and rich bass. Duo’s onboard computer lets your stream whatever you want form anywhere, whether it be streaming music, or sound from your favorite movies. The aluminum controls let you adjust the volume, switch inputs, and set preferences from one place. You can also create your own custom controls through firmware updates. Additional features include inputs for phone and line level, a dedicated bluetooth input, and a 24-bit DAC. You have your choice of multiple tube options, grill colors, and onboard computers. The $479 price is a discount for those who preorder. Expected delivery is the middle of May.