“My first quality IEM purchase was the Hifiman RE-400 when they first came out. I was used to low end Skullcandy sets at the time, and I really wanted to see what "reference sound" sounded like for a reasonable price of under $100. At the time, I felt anything above that price was absurd for me to purchase. From the first listen, the RE-400 showed me what quality sounded like. I was...” --bhazard
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...