KZ Castor GSR II a distinction that most people

a distinction that most people cannot discern

It represents our pursuit of ultimate natural pureness

Smarter with new GG QuickSet

reducing magnetic interference

ease of movement

KZ Castor GSR II a distinction that most peopleTuning Adjustable Dual Driver IEM Challenging all flagship products in the Hi Fi industry with its formidable strength Based on the Harman FR curve, KZ Castor enhances low frequency sensitivity and dynamic performance, achieving an unparalleled low frequency experience. Simultaneously, the mid and high frequencies of KZ Castor seamlessly align with the Harman FR curve. Innovative Stacked Dual Dynamic Drivers Structure Design KZ Castor features a