Resonessence Lab, based in Kelowna, BC, is a company making cutting-edge digital equipment. The top of the line is the Invicta Mirus ($4995), a D/A converter that uses 8 DACs per channel, and handles DSD64/128, DXD, and claims THD of 0.0002% (114dB). In true trickle-down fashion, it has been joined by the Invicta ($599), still with the same DSD/DXD capability, and THD only a slightly less impressive 0.00032%. Their latest product is the Herus headphone DAC ($350), this one with THD a whopping 0.003% THD. They're shown right-to-left in the photo.