求教各位高手 SONY MDR-CD770耳机怎样

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求教各位高手  SONY  MDR-CD770耳机怎样

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You live in the real world... A world of work... of play... of travel... Sony adds life to your world, whether you&#39re: At Home... At Work... On the Road.. On the Go...

Your world... Your Sony.

Features
Digital Reference Series headphones derive the maximum benefit from digital sound sources, including Compact Disc, DAT and MiniDisc
Aura-Nomic design corresponds to the natural angle of the ear; eliminates excess pressure and provides more natural, more balanced sound
50 MM Diameter Driver is larger than most headphones for deeper bass, lower distortion and wider dynamic range
PET Diaphragm for high rigidity, low mass; high rigidity means low distortion; low mass means extended high-frequency response
Higher-Power Neodymium Magnet packs 30% more energy than conventional Neodymium; far outperforms Samarium Cobalt or Aluminum magnets
Linear Crystal Oxygen-Free Copper (LC-OFC) Cord for maximum conductivity, minimum noise; Linear Crystals conduct electricity better than conventional copper
Closed Earpads for superlative isolation from outside sounds, high effective signal-to-noise ratio
Self-Adjust Headband for maximum listening comfort, hour after hour
Sony UniMatch® plug system with fixed mini plug for portable use and detachable phone plug for home hi-fi use
Gold-Plated Plugs resist corrosion for high conductivity, low noise
Technical Data
Type  Closed, Dynamic  
Driver Unit  50mm diameter  
Magnet  Higher-power Neodymium  
Headband  Self-adjusting  
Impedance  32 ohms  
Sensitivity  106dB/mW  
Frequency Response  5 - 30,000Hz  
Power Handling Capacity  1000mW  
Plug  Gold-plated UniMatch plug  
Cord  LC-OFC, single-sided, 11 1/2 ft (3.5 m)  
Weight  11 oz (320g)  

在美国卖US200未连税，不知在中国买多少钱？找不到它的评论。在英国耳机论坛Head-Fi、也只有一个人问过。同样无人答复。