“I got these off a friend for 40$, they go new for about 60 - 70$. The driver appears to be of Audio Technica origin and the fact it's 53 mm, which makes my guess a lot more likely. Sound-wise it's a bit artificial but expansive sounding for a closed headphone, changing the pads helps make it sound less artificial. Comfort is alright, they're not as heavy as my T50rp II and are a little...” --LaPierre
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...