The HD3700 is the right solution to the demands of the era for listening to CDs. It uses a first-line digital-to-analog converter (24-bit / 192kHz Cirrus Logic® WM8740) achieving acoustic clarity, and superior Dynamic Frames. Areas eliminating harmonic distortions. With its ultra-stylish design, the HD3700 is the perfect complement to the HK3700 & HK3770 radio amplifiers. In addition to playing CDs, the HD3700 supports CD-R & CD-RW playback, yet has USB input and plays MP3 & WMA files.