“With DAC ONLY Pros: Clean light weight look and feel. Best sounding headphone so far. Sounds well balanced. Comfortable to wear and lightweight Cons: 1$ more than the above earbuds. Audio sounds muffled and “echo-y” [I am frantically checking my audio cables thinking something is wrong…. This sounds too horrible] Mids – as muddy and muffled – (4/10)...” --HardTraxX
“ Well... Sound comes out... ” --JonnyRocket
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...