Luxury & Precision W4 Flagship DongleLieferzeit ca. 2 Wochen Review "L&Ps W4, on the other hand, is every bit the technical marvel, but for different reasons. Its new custom chipset, and regardless of what conspiracy theorists will try tell you, is a breakthrough at any scale, let alone dongle. This is one of the cleanest, most resolving sources Ive heard, and the fact that it brings out the same qualities in the multi kilobuck IEMs I paired with it makes it, to my mind, excellent value,