Hit the Trifecta of sound, style, and convenience with this 25-watt stereo hybrid Tube amp! The tube preamp stage adds warmth and richness that solid-state circuits can't touch, breathing new life into your digital music. The black Appearance with exposed tubes gives a look of uncluttered simplicity, which looks great in any office, study, or even in the midst of the swankiest cocktail party. Featuring wired RCA, wireless Bluetooth, digital optical and coaxial, and USB connections, This tube amplifier achieves a level of versatility and functionality that is unsurpassed.