Make sure this fits by entering your model number. FIVE BALANCED ARMATURES EARPHONE. With 5 balanced drives per side, the sound quality has been greatly improved, more details can be heard UNIQUE 3D PRINTING TECHNOLOGY. For the first time, KZ adopts 3D printing technology in manufacturing the internal acoustic structure which houses the drivers, guiding sound to two individual outputs visible in the base of each nozzle PROFESSIONAL CROSSOVER CIRCUIT DESIGN. The AS10 has a big dynamic driver handling bass, two drivers handing high frequency, two drivers handing mid frequency. The AS10 has better impact, speed, and overall agility. Bass is very strong, mid-range is very prominent and the highs is not overly sharp STABLE AND CONFORTABLE WEARING EXPERIENCE. With the detachable 2 pin braided cable, and ergonomic design memorable ear hook, KZ AS10 outstands most earphones in the market with its practical design and long-lasting quality What You Will Get? Linsoul Audio is the legal distributor for KZ products. All products are authentic and genuine.