Which line out converter is better?

[gbelous]

Which one is better? Both are around the same price, but I have the SNI35, but didn't know if I should upgrade to the SNI15.

http://www.amazon.com/gp/product/B0002J22AA/ref=olp_product_details?ie=UTF8&me=&seller=

or

http://www.amazon.com/gp/product/B000K50HJY/ref=olp_product_details?ie=UTF8&me=&seller=

 

[JLRockies]

both equally bad so go with what's cheaper. the bigger number allegedly means it's better so it would not be an upgrade.