Chord Hugo TT2 DAC Headphone Amplifier Silver is in excellent condition and it’s working perfectly. The Chord Hugo TT2 is one of the great external DACs of our time that happens to include a magnificent headphone amplifier. The DAC also offer one of the most powerful Headphone Amps of any DAC as well as a variable volume output so it can be used directly with a Power Amp setup or to drive powered speakers.