Base parameter

Optional colors:     black

Standard accessories: ear adapter set(s/m/l) , specification

Electric and acoustics specificationStandard inspection condition

Earphone

Style:                          Dynamic

Adorn mode:                    In ear

Impedance:                     16Ω ± 30%

Unit specifications:              Φ9mm     

Effective Frequency :             18 21000Hz

Qutput S. P. L :                  112dB+2/-3.5dB at 1kHz

SPL Differency between Lch &Rch : ± 3dB

Input Power:                    Reted: 6mW ; Max: 20mW

Buzzes & Rattle test:             0.25v (sine wave)

Line length:                    1.2m

Plug:                         Φ3.5-3p plated Au

Selling point

1.       Noise-isolation capability: Indulge in all your favorite tunes without the noise. The in-ear design reduces background noise and sound leakage significantly while achieving optimum music playback.

2.       Perfect fit: Get set to enjoy long hours of music in comfort. Choose the size that offers the most optimum fit, from the three pairs of silicone tips that come bundled with the earphones

3.       Pristine audio: Designed to deliver deep bass with balanced tones for all music playback, listen to your audio in greater clarity from the 9mm Neodymium magnet drivers

Testing

Low:

Song: << poem of drum >>

When druming stronger relatively, strengths being able, there is no feeling of inertia

Mid:

Song: <<nuan nuan>>

Better performance, the inside of the female voice is very sweet, very natural, giving a very comfortable feeling

High:

Song: <<liang zhu>>

Perfect performance of the violin's voice, brought to reveal the true feelings out, it is easy to drive, the headphones in general half of the volume is sufficient

Conclusion:Selling the best sound and cheap price MP3/MP4 earphone creative ep-630,good quality,the bass and mid-frequency is perfect

 The performances of the tri-band headphones are pretty good, has low-frequency intensity, and be able to strengths being, there is no feeling of inertia, the performance of the IFs human voice is also very good, sounds sweet, natural and gives people a feeling of ease of mind, sound field is very broad, to appreciate pop music are very good selection.