“ I originally purchased this case for my Sennheiser HD25 headphones, but found it was slightly too small for them. I shared photos of the attempt on the HD25 appreciation thread. So, I started using them for my Audio-Technica ATH-M50s and I couldn't be happier by the results. As you might know, those are full sized headphones that collapse down into a tight bundle. And...” --ButtUglyJeff
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...