“PSB M4U 1: A New Standard is Born Intro I am quite sure that many of you, myself included, have started on the seemingly never ending path to finding the perfect set of headphones. Terms such as too bright or too dark, mid-bass hump and recessed midrange, peaky treble and...” --Bansaku
“Let's start with the build since it is a hot topic on this headphone. It´s not very confidence inspiring but it's chunky. Made out of mostly plastics and cast aluminum for the adjustment arms and probably aluminum or stainless for the hinges, this thing should be quite durable. However i don't see it lasting a lifetime. Since it's so heavy and the plastic seems to be of the hard kind...” --Arvan
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...