Due to the low-output nature of the average record player, a phono-oriented preamp is a necessary addition to just about any vinyl listening setup.The xDuoo MP-01 Tube Headphone Amplifier provides both rich phono amplification and a high-headroom home for your favorite headphones or speakers. First, the phono side of the equation employs two 6N3 front-stage, preamp tubes to bring warmth and nuance that’s likely already present in your record collection. Then, xDuoo factors in their impressive frequency compensation controls to dial in just the right EQ for your records as they get translated into headphones or speakers through the onboard quarter-inch and stereo RCA outputs. In addition to phono, you’ll also find a more classic RCA input to incorporate your more modern audio collection—be it from your phone, your computer, or your CD player. The whole thing sits in a beautiful aluminum alloy shell that’s been sandblasted for a unique finish and maintains two top-oriented cutouts, so the classic tub aesthetic is peeking out of the top.