d+ series bring the highest quality and a cool designed in your sound system such as DJ gears, audio interface, speaker, mixer, effector, synthesizer and all sound gears. About the product planning for the d+ series, we contemplated the best combination of materials and the structure for today's music and situations. You might already have seen d+ class B series somewhere. That's why they always have a desire to improve the sound quality and the cable's transmission influences the total sounds. Many professionals are using the d+ series and you can easily get the goodness on your sound system.