Hailing from Russia, Tchernov Cable has built a reputation over the past couple of decades for first class audiophile cables. Yes, you do need quality cables between the various components of your high-fidelity system. And Tchernov Cable offers a range from affordable to seriously high end.
That includes analogue audio cables and digital cables both. The former includes the all-important loudspeaker cables. The latter includes coaxial, optical, HDMI and USB. The bandwidth required for USB can, with many formats, be the highest of any in the audio field, so quality here is essential when it comes to connecting your digital audio source to a DAC. Check out the Tchernov Cable portfolio.