“ Prologue: Hello everyone, here is a review of a new competitor on the market of high end custom headphones! The recently established "company" Martin Custom Audio ran by the one and only, you guessed it, Martin! You may have followed some of his other projects here on head-fi, building suspiciously good looking bits and pieces for grado headphones out of wood. Now he considered to share...” --VictorHalgaard
“ Presentation: Upon initial receipt of these headphones, you immediately feel as though Marty has made them especially for you – because he did. Marty of Martin Custom Audio does do lines of headphone modifications, but in small quantities and your item, such as this pair of SR-325i Grados is just that – custom and features a serial number. In the case of this particular...” --wje
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...