When comes to Chi-Fi, BQEYZ is now a well-known brand. BQEYZ KB100 was a massive hit. Some other good budget IEMs from BQEYZ are KB1 & KC2. Recently BQEYZ released its flagship Spring 1 IEM which is also getting a good response. I have tried BQEYZ KB100 and KB1 earlier and now it’s time for …