Raptgo x HBB Hook-X Open-Back Planar Magnetic Piezoelectric Universal In-Ear Monitor

RAPTGO x HBB HOOK-X 14.2mm Planar + PZT Driver Open Back In-ear Earphone Adopts Double-sided Array N52 Magnet Design and Ultra-thin Diaphragm Custom Made 14.2mm Planar Magnetic Driver 12 Layer Double-Sided PZT Driver with Upgraded Thick Double-sided Conductive Silver Improved Open-Back Cavity Desgin for Less Hearing Fatigue and a better sound performance Optimized Interchangeable Connector Cable in OCC Silver-plated Coaxial Shielded Wires Updates Improved earphone rear cavity designThe newly designed PZT acoustic shock drive bracketNew open rear chamber acoustic designBetter air mobility and lower eardrum pressureThe newly designed PZT acoustic shock drive bracket structure Lower vibration transmission loss and better sound presence Increase the size of super strong magnet applicationOptimize magnetic circuit designNew 7*2 dual array N52 magnetic circuit design Greater analytical power greater sound dynamics New diaphragm designUpgrade and optimize diaphragm circuitUse a thinner diap