**hp over ears headphones issue**

Hi Everybody ,

I purchased HP over ear headphones
Connected the output in IPHONE , IPOD , sounds great!!!

here is the Headphone PIC

Google Image Result for *cdn.techiser.com/wp-content/uploads/2010/02/HP-RF824AAABA-Stereo-Headset.jpg


But Connected to my PC , Sounds not so great compared to IPHONE or IPOD

Whats the problem ???

Searched for DIY Headphone AMP , Does it works ?


Suggest me the Solution


My PC Config

Asus p54GIT-M-LX3
Core 2 Duo 2.53 GHZ
4 GB transcend DDR3
1 TB WD HDD
NVIDIA GT 7300