New hybrid constructions, evolutionary sound signature the all new hybrid construction of 13mm beryllium diaphragm dynamic driver and quad knowles custom balanced armature drivers, with two high mid and two ultra high'. '.strtoupper('w')ith the dunus professional and experienced tuning techniques over the hybrid headphones, dk 3001 pro is able to present all the details from the music and deliver high level sound performance, bringing the classic hybrid iems to the next level'. '.strtoupper('b')eryllium diaphragm dynamic driver powerful bass response newly developed 13mm beryllium diaphragm dynamic driver adopted the beryllium coated technology, utilizing its lightweight advantage and the high elasticity and rigidity acoustics character, bringing out the powerful and responsive bass to its max level and delivering a well defined mid low frequency range'. '.strtoupper('t')wo independent knowles balanced armature driver two independent knowles ba driver for high mid frequency two independent knowles ba drivers for high mid frequency layers of details in vocals to ignite every bit of expressions from the artists'. '.strtoupper('t')wo knowles ultra high balanced armature driver impressive ultra high presentation two knowles ultra high balanced armature drivers deliver superior performance in ultra high frequency, allowing you to enjoy the transparent and natural sound of the music'. '.strtoupper('n')ew dimensions stainless steel housing ergonomic design, superior comfort precision machined s316 stainless steel housing combining with scientific design, it effectively eliminates harmonic resonance to enhance sound cohesiveness, as well as to achieve a clean and crystal clear sound experience'. '.strtoupper('e')rgonomic design focused and data driven research has been made to obtain the most comfortable wearing experience for the front housing shell and muzzle tilt angle'. '.strtoupper('d')ouble refined high purity occ copper cable ensure audio quality with lossless sound transmission dk 3001pro occ copper cable is embraced with the double refining techniques, extracting the high purity single crystal again to achieve higher and purer copper wire'. '.strtoupper('i')t greatly ensures the audio experience by reducing transmission loss'. '.strtoupper('d')unu patented quick switching connectors patented quick switching connectors, 4 connectors in total 3.5mm stereo, 2.5mm balanced, 4.4mm balanced and 3.5mm pro attached'. '.strtoupper('e')ach is easily changeable with the auto lock feature, which provides audiophiles with the convenience of switching from one device to another'. '.strtoupper('c')atch hold mmcx connector patented mmcx connector utilizes the hollow cylinder design to lock the earphones and effectively improve the connectivity'. '.strtoupper('t')ogether with the standard mmcx jack, it ensures wide compatibility and increases the service life'. '.strtoupper('s')pinfit customizable eartips ndash sound isolation and comfortable wearing experience spinfit custom eartips for dk 3001 pro, made of medical grade silicon, provide skin friendly experience'. '.strtoupper('w')ith spinfit unique cushion structure, the eartips improve sound quality, enhance isolation and optimize the comfort level'. '.strtoupper('a')ccessories, all you need and more dunu delivers audio quality and exceptional experience'. '.strtoupper('t')he standard accessories that come with dk 3001 pro include quick switching connectors, leather bag, spinfit cp360, airline adapter, and cleaning brush etc'. '.strtoupper('w')e make sure that we fulfill all the demands from audiophiles.