KZ PR1 Planar IEM Review Joining the planar wars with the all-new KZ PR1. It’s a planar magnetic IEM that has a 13.2mm planar driver and comes in two different tuning variants. KZ PR1 houses a newly-developed dual-cavity planar magnetic driver unit. This driver features an ultra-thin silver-plated diaphragm and an independent acoustic cavity for N55 based double-sided magnetic circuit. KZ PR1 is available in two differently-tuned variants. The Balanced edition, as the name goes has a balanced sound signature … Continue reading KZ PR1 Planar IEM Review – HiFi Edition