Sennheiser CX500 in-ear earphone for iPod PSP MP3 MP4 CD Player

Detailed Product Description

Product Information:

Features: 

Compared to the previous products, the Sennheiser CX 500 are high quality, noise-isolating ear-canal phones with a crisp, clear, bass-driven stereo sound. They feature a volume control integrated in the cable and come with a new, unique type of ear adapter for an improved fit and an even better passive noise attenuation.

Accessories:

Carrying pouch, Ear adapter set(S/M/L), Cable clip, Cable winder, Extension cable(1m)

Specifications:

Style:                                               Cable dynamic
Adorn mode:                                     In-ear
Impedance:                                      16Ω ± 30%

Unit specifications:                           Φ9mm
Effective Frequency :                         18-21KHz
Qutput S. P. L :                                112dB+2/-3.5dB at 1kHz
SPL Differency between Lch &Rch :   ± 3dB   

THD                                                 <0.2%

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

Buzzes& Rattle test:                         0.25v(sine wave)

Cable length:                                    1.45m, with volume comtrol
Plug:                                               Φ3.5-3p plated Au