“ I love the full size grado HF2 and older grado's but these do not sound good to my ears. Strident and uneven. These were not lovingly crafted or dialed in. There was no 'man' behind the tuning of these and this is evident in the final product. I'd love to see grado come out with a smooth yet dynamic sounding iem similar to the HF2 but am not holding my breath, especially when I've found...” --thelostMIDrange
The phone uses an internal configuration XE4/Pro four microdrivers with balanced armature technology and an integrated three-way crossover providing a listening experience like no other, with a super comfortable and crisp sound. Specifications: Sensitivity: 118 dB / mW Frequency Response: 10 Hz -17 kHz Impedance: 25 ohms Internal configuration of speakers: 4 microdrivers balanced...