Marantz's signature cd 16 has good sound quality, while marantz's cd 16 is made in Japan, with fine machine materials and high cost performance. The classic line of CDM4PRO's optical head DAC7 adopts two differential outputs of TDA 1547 (one for each channel), which is close to the classic Philips LHH700, and adopts marantz HDAM module as the buffer output, with good expansion at both ends.