ESS's 32bit stereo audiophile DAC chip with MQA full decoding and MQA-CD supported by Optical and Coaxial inputs which will satisfy demanding audio enthusiasts by great performance. Carefully tuned performance and sound, THD+N as low as 0.0001 %(-120dB). ^^ The volume of D30's headphone output and line output are independent. When you switch the output mode, the volume will switch at the same time. ^^ Bluetooth 5.0 digital audio input, support apt-X HD. It can support audio transmission up to 24bit/48kHz. The rate reches 576kbps providing a listening experience better than CD.
^^ Single Purpose faithful reproduction of the original sense of hearing Excellent performance, High SNR and low distortion. Supports hard decoding DSD512, PCM supports 32bit/768kHz. Through excellent performance parameters to create a realistic sound experience. ^^ It has both 6.35 mm and RCA output interfaces, and the output mode can be freely switched through the remote control. Careful performance optimization and sound adjustment make D30 the perfect desktop headset partner.