The JB9, a unique set of earbuds, is designed for enhanced audio performance, comfort, style and carrying convenience. Although designed with a sense of fun, the JB9 delivers serious high quality sound from its proprietary custom design and tooling. Enhanced acoustic chambers built into the earbuds improve overall sonic performance and increase bass response for overall clearer sound...
“ I compared this ultra sound TwinBA IEM with UE700. UE700 and GH-ERC-DMS, both are dual/twin BA, but different tuned. audio source : iPod touch 4G 32GB and iPhone4G 32GB w/ ALAC or MP3 320KBps , 93~94dB normalized. Outlook and packaging: Oh, poor. outfit made with plastic and inner is seems to urethane. cable is really same as MEElec A151. ( shorter than...” --Raphael K