Transducer type:  4 precision balanced armature SPD duplex driver 
	
	
	
Transducer configuration: 2-low, 2-mid, 2-high
	
	
	
Quad Bore Design
	
	
	
Integrated 6-way emulated passive crossover
	
	
	
Hypoallergenic, hard acrylic shells
	
	
	
Impedance: 22 Ohms Sensitivity: +/- 115dB SPL @ 1mW
	
	
	
Freq. Response: 10Hz – 20 kHz
	
	
	
Noise Isolation: -18dB with RKTECH™ Auto Module