HE-DBA5 Specification
Design : Single high precision dynamic driver, 4 Balanced armature drivers with 2-way crossover design
Sensitivity : 109dB
Frequency response : 15Hz-23kHz
Impedance : 22.5 ohms
HE-Studio Specification
Design : Beryllium full range dynamic driver
Sensitivity : 101dB
Frequency response : 15Hz-24kHz
Impedance : 45 ohms
HE4 Specification
Design : 4 balanced armature driver with 3-way crossover design
Sensitivity : 115dB
Frequency response : 14Hz-21kHz
Impedance : 26 ohms