cambridge audio azur 851c upsampling dac, cd player & preamplifier (black) cambridge audio cambridge audio azur 851c dac/cd player and preamp award-winning azur 851c a high-end triple threat: delivers exemplary performance as hub of your digital music system twin cutting-edge dacs from analog devices, innovative atf2 upsampling, asynchronous usb input, exceptional toroidal transformer: azur 851c packed with audiophile treats call it a triple threat. cambridge audio's azur 851c is a high-end cd player, state-of-the-art dac, and digital preamp in one highly accomplished package. it's designed to beat as the heart of your digital music system, offering incredible functionality and performance. a high-end solution to the demands of today's multi-format music lover with commanding performance that matches products that cost much more, azur 851c enhances any digital audio that passes through its sophisticated electronics. despite its staggering complexity, it focuses on one mission: to make your digital music sound sublime. "impeccably engineered and with sonics the match of most machines at twice the price, what's not to like? smooth and svelte sounding yet commanding and incisive, only its rivals will regret the advent of this sparkling talented new cd player." – hi-fi choice , cd player of the year award central to azur 851c's exceptional performance is a stunning batch of advanced technologies, such as cutting-edge high-specification dacs from the experts at analog devices. together with on-board atf2 upsampling technology, azur 851c improves sound quality regardless of the input format. from mp3 to high-res downloads, this award-winning player showcases your music in the best-possible light. you'll experience exemplary precision, dynamics, and refinement. "the [851 series] now compete with the very best in class when it comes to sound and are pretty much in a league of their own when it comes to features.