Original owner, 1.5 year of light-moderate use. Extremely versatile and compact integrated amp + high-quality DAC that is perfect for medium-to-small rooms or office systems. This device is ideal for the streamlined age, as nobody wants to mess with a lot of cables, and many sources have only digital out and no analog/RCA. Of course, Wadia knows D/A conversion better than most. The sound quality is truly excellent and the 151 is so small that it fits perfectly on a desk, under a TV on a stand, or anywhere else where space is at a premium. 4 digital inputs (2 coax, optical, USB), slim metal remote, Wadia's outstanding D/A conversion, and a smooth, refined amplifier section. I love this little guy, but I have too much gear and need to liquidate some of it. I've used it with Monitor Audio RX2 and B&W 686 to great effect. The only shortcoming is it won't fill a large room at ear-bleed levels, but in my 20' x 13' master bedroom it has been more than adequate for TV/Movies/Music. A real bargain, superb sound/build, and sure to win you over!