The UM1 is a single balanced armature driver universal-fit earphone offering excellent sound at an entry-level price. With comfortable Comply tips, the UM1 provides hours of fatigue free listening with up to 25 dB of ambient noise reduction. The UM1 is the perfect entry-level earpiece for performing and personal listening. Equipped with a durable 50" stereo "Y" cord and a 3.5mm...
“ 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