“ I bought these SOL AMP in-ears at a local TJMaxx store for a reasonable price. The build quality is pretty good and the sound isolation is also good. The sound quality is another story. I found the bass somewhat boomy and not very deep. The midrange sounded boxy. The highs were not as crisp as I like it. If you have ever heard a pair of very large cheap Japanese speakers from the...” --bikdav
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...