KZ S1 / S1D Portable HiFi Tested and proved with a

Tested and proved with a bandwidth from 5 Hz to 40 kHz

it’s flexible

As a lossless player with headphone amplifier output

resulting in a tuning expression that can only be described as unique and boutique

and the purple curve is the MONITOR mode

KZ S1 / S1D Portable HiFi Tested and proved with aKZ has been accumulating experience in TWS earphones. After releasing the KZ E10, KZ T1, here comes the KZ S1D S1 TWS earbuds. Both models adopts unique coding technology of AAC to achieve a faster transmission, better sound quality and smaller file while transmitting KZ S1 IDD+1BA Hybrid Driver. KZ S1 adopts a dynamic driver and a 30095 high frequency balanced armature. The independent high frequency BA driver can make the voice richer and clearer,