Spark High Definition In-ear Headphones are the combination of precision acoustics, unique design and expert ergonomic research. Powerful and accurate acoustics are achieved through high performance dynamic driver and special high definition acoustic filter built-in, resulting in full, explosive bass, intense mid-range and clear treble frequency response that will put a smile on your face...
“ First off the disclaimer, the Realvoice IEM’S were given to me a month or two back for reviewing. I would like to thank Spider Cable for the review sample and my apologies for taking so long in writing this review. Since I have had these I have used them about 75% of the time when I am using earphones, which probably averages about two hours per day. So I have put quite a few hours...” --Carlsan