Bring a leapfrog upgrade to sound quality Magnetic gap generally refers to the distance between voice coil and magnet.The smaller thedistance, the higher the conversionefficiency,and the lower the distortion.The magnetic gapdeveloped by KZ has broken through to about 0.15MM, and its conversion efficiency is unitof ordinary dynamic units in the market can only be about 0.3MM, while the new dynamicsuperior to that of peers." High-precision four-layers voice coil In order to improve the low frequency performance of DQS wired headphone, we have adopted afour-layers voice coil made of copper clad aluminum which usually used inprofessional speakers and earphones, greatly improving the performanceof bass and high-frequency. Compared with traditional copper voice coil,it has excellent conductivity and light weight" Professional Tuning Create a real HIFI experience Each frequency band is carefully debugged to ensure smooth connectionof high , medium and low frequencies . Balanced tuning can easily handlevarious music styles" "Comfortable to wear KZ DQS iem headphone adopts semi-open ear shell design. KINBOOFI DQS earphone face cover adopts semi-open exhaust design , which can effectivelyinhibit the reflection of sound waves in the cavity , making the bass crispand powerful" "Detachable 0.75MM 2PINS OFC Cable KZ DQS in-ear earphones are made of high purity oxygen free copper wire, which has excellent electrical conductivity and greatly reduces the loss during signal transmission." Product model KZ-DQS Impedance 14±3Ω Sensitivity110±3dB Frequency 20-40000Hz Plug type 3.5mm Pin Type 0.75mm Cable Type OFC flat cable Cable length 120±5cm Wearing typeIn-ear